/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:48:16,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:48:16,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:48:16,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 19:48:16,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:48:16,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:48:16,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:48:16,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:48:16,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:48:16,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:48:16,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:48:16,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:48:16,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:48:16,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:48:16,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:48:16,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:48:16,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 19:48:16,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:48:16,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:48:16,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:48:16,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:48:16,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:48:16,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:48:16,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:48:16,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:48:16,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:48:16,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:48:16,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:48:16,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:48:16,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:48:16,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:48:16,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:48:16,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:48:16,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:48:16,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:48:16,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:48:16,822 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:48:16,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:48:16,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:48:16,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:48:16,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:48:16,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:48:16,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:48:16,824 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:48:17,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:48:17,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:48:17,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:48:17,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:48:17,149 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:48:17,150 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2020-08-22 19:48:17,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b60a6e22/ea97dbd75ceb43eea47647a2ab2a4055/FLAG7388fcdb7 [2020-08-22 19:48:17,778 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:48:17,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2020-08-22 19:48:17,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b60a6e22/ea97dbd75ceb43eea47647a2ab2a4055/FLAG7388fcdb7 [2020-08-22 19:48:18,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b60a6e22/ea97dbd75ceb43eea47647a2ab2a4055 [2020-08-22 19:48:18,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:48:18,111 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:48:18,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:48:18,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:48:18,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:48:18,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c5de1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18, skipping insertion in model container [2020-08-22 19:48:18,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:48:18,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:48:18,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:48:18,348 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:48:18,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:48:18,386 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:48:18,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18 WrapperNode [2020-08-22 19:48:18,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:48:18,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:48:18,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:48:18,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:48:18,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (1/1) ... [2020-08-22 19:48:18,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:48:18,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:48:18,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:48:18,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:48:18,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (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 19:48:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:48:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:48:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 19:48:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:48:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:48:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 19:48:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 19:48:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 19:48:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 19:48:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:48:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:48:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:48:18,827 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:48:18,828 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 19:48:18,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:48:18 BoogieIcfgContainer [2020-08-22 19:48:18,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:48:18,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:48:18,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:48:18,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:48:18,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:48:18" (1/3) ... [2020-08-22 19:48:18,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab79fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:48:18, skipping insertion in model container [2020-08-22 19:48:18,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:48:18" (2/3) ... [2020-08-22 19:48:18,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab79fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:48:18, skipping insertion in model container [2020-08-22 19:48:18,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:48:18" (3/3) ... [2020-08-22 19:48:18,864 INFO L109 eAbstractionObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2020-08-22 19:48:18,879 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:48:18,887 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:48:18,903 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:48:18,930 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:48:18,930 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:48:18,930 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:48:18,930 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:48:18,931 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:48:18,931 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:48:18,931 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:48:18,931 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:48:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2020-08-22 19:48:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 19:48:18,958 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:48:18,959 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] [2020-08-22 19:48:18,960 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:48:18,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:48:18,967 INFO L82 PathProgramCache]: Analyzing trace with hash 405390035, now seen corresponding path program 1 times [2020-08-22 19:48:18,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:48:18,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458084785] [2020-08-22 19:48:18,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:48:19,037 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:48:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:48:19,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:48:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:48:19,462 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 19:48:19,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458084785] [2020-08-22 19:48:19,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:48:19,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 19:48:19,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265162420] [2020-08-22 19:48:19,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 19:48:19,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:48:19,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 19:48:19,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 19:48:19,497 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 9 states. [2020-08-22 19:48:20,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:48:20,128 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2020-08-22 19:48:20,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 19:48:20,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-08-22 19:48:20,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:48:20,143 INFO L225 Difference]: With dead ends: 65 [2020-08-22 19:48:20,144 INFO L226 Difference]: Without dead ends: 34 [2020-08-22 19:48:20,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-08-22 19:48:20,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-22 19:48:20,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-22 19:48:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-22 19:48:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2020-08-22 19:48:20,207 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 26 [2020-08-22 19:48:20,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:48:20,208 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2020-08-22 19:48:20,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 19:48:20,208 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2020-08-22 19:48:20,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-08-22 19:48:20,209 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:48:20,210 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] [2020-08-22 19:48:20,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:48:20,210 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:48:20,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:48:20,211 INFO L82 PathProgramCache]: Analyzing trace with hash -86090943, now seen corresponding path program 1 times [2020-08-22 19:48:20,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:48:20,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2814204] [2020-08-22 19:48:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:48:20,234 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:48:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:48:20,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:48:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:48:20,477 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 19:48:20,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2814204] [2020-08-22 19:48:20,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:48:20,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 19:48:20,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800839542] [2020-08-22 19:48:20,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 19:48:20,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:48:20,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 19:48:20,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 19:48:20,481 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 11 states. [2020-08-22 19:48:20,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:48:20,824 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2020-08-22 19:48:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 19:48:20,824 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-08-22 19:48:20,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:48:20,826 INFO L225 Difference]: With dead ends: 34 [2020-08-22 19:48:20,826 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:48:20,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2020-08-22 19:48:20,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:48:20,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:48:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:48:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:48:20,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2020-08-22 19:48:20,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:48:20,831 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:48:20,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 19:48:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:48:20,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:48:20,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 19:48:20,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:48:21,486 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-08-22 19:48:21,700 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:48:21,701 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-08-22 19:48:21,701 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_72~0 |old(~__return_72~0)|)) [2020-08-22 19:48:21,701 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:48:21,701 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:48:21,701 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:48:21,702 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 19:48:21,702 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:48:21,702 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-08-22 19:48:21,702 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-08-22 19:48:21,702 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-08-22 19:48:21,703 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-08-22 19:48:21,703 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-08-22 19:48:21,703 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,703 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,703 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 11 68) the Hoare annotation is: (or (= |old(~__return_72~0)| ~__return_72~0) (not (= main_~__VERIFIER_assert__cond~0 0))) [2020-08-22 19:48:21,704 INFO L264 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: (and (= |old(~__return_72~0)| ~__return_72~0) (not (= main_~__VERIFIER_assert__cond~0 0))) [2020-08-22 19:48:21,704 INFO L264 CegarLoopResult]: At program point L23(lines 23 66) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,704 INFO L264 CegarLoopResult]: At program point L52(line 52) the Hoare annotation is: false [2020-08-22 19:48:21,704 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,704 INFO L264 CegarLoopResult]: At program point L17(lines 17 67) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,705 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (let ((.cse0 (not (= main_~__tmp_1~0 0))) (.cse1 (<= 0 main_~main__y~0)) (.cse2 (= |old(~__return_72~0)| ~__return_72~0)) (.cse3 (<= main_~main__y~0 0))) (or (let ((.cse5 (+ main_~main__i~0 main_~main__y~0)) (.cse4 (+ main_~main__j~0 main_~main__x~0))) (and .cse0 .cse1 .cse2 .cse3 (<= .cse4 .cse5) (<= .cse5 .cse4))) (and .cse0 .cse1 .cse2 .cse3 (<= main_~main__i~0 main_~main__x~0) (<= main_~main__x~0 main_~main__i~0)))) [2020-08-22 19:48:21,705 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,705 INFO L264 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,705 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (let ((.cse0 (<= 0 main_~main__y~0)) (.cse1 (= |old(~__return_72~0)| ~__return_72~0)) (.cse2 (<= main_~main__y~0 0))) (or (and .cse0 .cse1 .cse2 (<= main_~main__i~0 main_~main__x~0) (<= main_~main__x~0 main_~main__i~0)) (let ((.cse4 (+ main_~main__i~0 main_~main__y~0)) (.cse3 (+ main_~main__j~0 main_~main__x~0))) (and .cse0 .cse1 .cse2 (<= .cse3 .cse4) (<= .cse4 .cse3))))) [2020-08-22 19:48:21,706 INFO L264 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,706 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 11 68) the Hoare annotation is: (or (= |old(~__return_72~0)| ~__return_72~0) (not (= main_~__VERIFIER_assert__cond~0 0))) [2020-08-22 19:48:21,706 INFO L264 CegarLoopResult]: At program point L42(lines 42 64) the Hoare annotation is: (let ((.cse5 (< 0 (+ main_~main__y~0 1))) (.cse6 (<= main_~main__y~0 0)) (.cse8 (+ main_~main__j~0 main_~main__x~0)) (.cse7 (+ main_~main__i~0 main_~main__y~0))) (let ((.cse1 (<= .cse8 .cse7)) (.cse0 (= |old(~__return_72~0)| ~__return_72~0)) (.cse3 (or .cse6 (<= .cse7 main_~main__j~0))) (.cse2 (<= .cse7 .cse8)) (.cse4 (or .cse5 (<= main_~main__j~0 .cse7)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (or .cse5 .cse1) .cse0 .cse3 (<= main_~main__i~0 main_~main__x~0) (or .cse6 .cse2) (<= main_~main__x~0 main_~main__i~0) .cse4)))) [2020-08-22 19:48:21,706 INFO L264 CegarLoopResult]: At program point L38(lines 28 66) the Hoare annotation is: (let ((.cse1 (+ main_~main__i~0 main_~main__y~0)) (.cse0 (+ main_~main__j~0 main_~main__x~0))) (and (= |old(~__return_72~0)| ~__return_72~0) (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-08-22 19:48:21,706 INFO L264 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: (let ((.cse1 (+ main_~main__j~0 main_~main__x~0 1)) (.cse0 (+ main_~main__i~0 main_~main__y~0))) (and (= |old(~__return_72~0)| ~__return_72~0) (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-08-22 19:48:21,707 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (let ((.cse1 (+ main_~main__i~0 main_~main__y~0)) (.cse0 (+ main_~main__j~0 main_~main__x~0))) (and (= |old(~__return_72~0)| ~__return_72~0) (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-08-22 19:48:21,707 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 51) the Hoare annotation is: false [2020-08-22 19:48:21,707 INFO L264 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,707 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (and (= |old(~__return_72~0)| ~__return_72~0) (<= main_~main__i~0 main_~main__x~0) (<= main_~main__x~0 main_~main__i~0)) [2020-08-22 19:48:21,708 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 68) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,708 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-08-22 19:48:21,708 INFO L264 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: false [2020-08-22 19:48:21,708 INFO L264 CegarLoopResult]: At program point L49(lines 49 58) the Hoare annotation is: (let ((.cse0 (not (= main_~__tmp_1~0 0))) (.cse1 (<= 0 main_~main__y~0)) (.cse2 (= |old(~__return_72~0)| ~__return_72~0)) (.cse3 (<= main_~main__y~0 0)) (.cse4 (not (= main_~__VERIFIER_assert__cond~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= main_~main__i~0 main_~main__x~0) (<= main_~main__x~0 main_~main__i~0)) (let ((.cse6 (+ main_~main__i~0 main_~main__y~0)) (.cse5 (+ main_~main__j~0 main_~main__x~0))) (and .cse0 .cse1 .cse2 .cse3 (<= .cse5 .cse6) .cse4 (<= .cse6 .cse5))))) [2020-08-22 19:48:21,708 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,709 INFO L264 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,709 INFO L264 CegarLoopResult]: At program point L47(line 47) the Hoare annotation is: (let ((.cse0 (not (= main_~__tmp_1~0 0))) (.cse1 (<= 0 main_~main__y~0)) (.cse2 (= |old(~__return_72~0)| ~__return_72~0)) (.cse3 (<= main_~main__y~0 0))) (or (let ((.cse5 (+ main_~main__i~0 main_~main__y~0)) (.cse4 (+ main_~main__j~0 main_~main__x~0))) (and .cse0 .cse1 .cse2 .cse3 (<= .cse4 .cse5) (<= .cse5 .cse4))) (and .cse0 .cse1 .cse2 .cse3 (<= main_~main__i~0 main_~main__x~0) (<= main_~main__x~0 main_~main__i~0)))) [2020-08-22 19:48:21,709 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,709 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: (= |old(~__return_72~0)| ~__return_72~0) [2020-08-22 19:48:21,709 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: (let ((.cse0 (<= 0 main_~main__y~0)) (.cse1 (= |old(~__return_72~0)| ~__return_72~0)) (.cse2 (<= main_~main__y~0 0))) (or (and .cse0 .cse1 .cse2 (<= main_~main__i~0 main_~main__x~0) (<= main_~main__x~0 main_~main__i~0)) (let ((.cse4 (+ main_~main__i~0 main_~main__y~0)) (.cse3 (+ main_~main__j~0 main_~main__x~0))) (and .cse0 .cse1 .cse2 (<= .cse3 .cse4) (<= .cse4 .cse3))))) [2020-08-22 19:48:21,710 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (let ((.cse1 (+ main_~main__j~0 main_~main__x~0 1)) (.cse0 (+ main_~main__i~0 main_~main__y~0))) (and (= |old(~__return_72~0)| ~__return_72~0) (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-08-22 19:48:21,710 INFO L264 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: (let ((.cse1 (+ main_~main__i~0 main_~main__y~0)) (.cse0 (+ main_~main__j~0 main_~main__x~0))) (and (= |old(~__return_72~0)| ~__return_72~0) (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-08-22 19:48:21,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:48:21 BoogieIcfgContainer [2020-08-22 19:48:21,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:48:21,738 INFO L168 Benchmark]: Toolchain (without parser) took 3627.33 ms. Allocated memory was 144.2 MB in the beginning and 249.6 MB in the end (delta: 105.4 MB). Free memory was 101.5 MB in the beginning and 165.3 MB in the end (delta: -63.8 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2020-08-22 19:48:21,739 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 144.2 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-08-22 19:48:21,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.89 ms. Allocated memory is still 144.2 MB. Free memory was 101.3 MB in the beginning and 91.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-08-22 19:48:21,741 INFO L168 Benchmark]: Boogie Preprocessor took 114.05 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 91.2 MB in the beginning and 179.3 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-08-22 19:48:21,742 INFO L168 Benchmark]: RCFGBuilder took 341.99 ms. Allocated memory is still 201.3 MB. Free memory was 179.3 MB in the beginning and 165.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-08-22 19:48:21,744 INFO L168 Benchmark]: TraceAbstraction took 2890.12 ms. Allocated memory was 201.3 MB in the beginning and 249.6 MB in the end (delta: 48.2 MB). Free memory was 164.5 MB in the beginning and 165.3 MB in the end (delta: -864.9 kB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. [2020-08-22 19:48:21,748 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 144.2 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.89 ms. Allocated memory is still 144.2 MB. Free memory was 101.3 MB in the beginning and 91.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.05 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 91.2 MB in the beginning and 179.3 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.99 ms. Allocated memory is still 201.3 MB. Free memory was 179.3 MB in the beginning and 165.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2890.12 ms. Allocated memory was 201.3 MB in the beginning and 249.6 MB in the end (delta: 48.2 MB). Free memory was 164.5 MB in the beginning and 165.3 MB in the end (delta: -864.9 kB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: 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: 28]: Loop Invariant Derived loop invariant: (\old(__return_72) == __return_72 && main__j + main__x <= main__i + main__y) && main__i + main__y <= main__j + main__x - ProcedureContractResult [Line: 11]: Procedure Contract for main Derived contract for procedure main: \old(__return_72) == __return_72 || !(__VERIFIER_assert__cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 55 SDtfs, 151 SDslu, 106 SDs, 0 SdLazy, 329 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 41 PreInvPairs, 63 NumberOfFragments, 521 HoareAnnotationTreeSize, 41 FomulaSimplifications, 552 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...