/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/large_const.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:19:35,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:19:35,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:19:35,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:19:35,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:19:35,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:19:35,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:19:35,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:19:35,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:19:35,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:19:35,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:19:35,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:19:35,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:19:35,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:19:35,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:19:35,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:19:35,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:19:35,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:19:35,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:19:35,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:19:35,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:19:35,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:19:35,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:19:35,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:19:35,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:19:35,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:19:35,728 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:19:35,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:19:35,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:19:35,729 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:19:35,730 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:19:35,730 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:19:35,730 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:19:35,730 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:19:35,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:19:35,731 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:19:35,736 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:19:35,736 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:19:35,736 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:19:35,737 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:19:35,737 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:19:35,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:19:35,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:19:35,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:19:35,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:19:35,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:19:35,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:19:35,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:19:35,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:19:35,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:19:35,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:19:35,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:19:35,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:19:35,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:19:35,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:19:35,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:19:35,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:19:35,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:19:35,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:19:35,741 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:19:35,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:19:35,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:19:35,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:19:35,742 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:19:36,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:19:36,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:19:36,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:19:36,089 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:19:36,090 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:19:36,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/large_const.i [2019-11-24 04:19:36,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ea8440c/15cf586e4a144656b2e20734b6017128/FLAG1a529a0a8 [2019-11-24 04:19:36,617 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:19:36,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/large_const.i [2019-11-24 04:19:36,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ea8440c/15cf586e4a144656b2e20734b6017128/FLAG1a529a0a8 [2019-11-24 04:19:37,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ea8440c/15cf586e4a144656b2e20734b6017128 [2019-11-24 04:19:37,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:19:37,031 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:19:37,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:19:37,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:19:37,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:19:37,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a20e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37, skipping insertion in model container [2019-11-24 04:19:37,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:19:37,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:19:37,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:19:37,289 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:19:37,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:19:37,316 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:19:37,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37 WrapperNode [2019-11-24 04:19:37,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:19:37,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:19:37,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:19:37,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:19:37,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:19:37,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:19:37,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:19:37,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:19:37,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (1/1) ... [2019-11-24 04:19:37,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:19:37,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:19:37,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:19:37,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:19:37,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (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 [2019-11-24 04:19:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:19:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:19:37,827 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:19:37,828 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-24 04:19:37,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:19:37 BoogieIcfgContainer [2019-11-24 04:19:37,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:19:37,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:19:37,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:19:37,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:19:37,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:19:37" (1/3) ... [2019-11-24 04:19:37,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb2b227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:19:37, skipping insertion in model container [2019-11-24 04:19:37,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:37" (2/3) ... [2019-11-24 04:19:37,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb2b227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:19:37, skipping insertion in model container [2019-11-24 04:19:37,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:19:37" (3/3) ... [2019-11-24 04:19:37,837 INFO L109 eAbstractionObserver]: Analyzing ICFG large_const.i [2019-11-24 04:19:37,848 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:19:37,854 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:19:37,866 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:19:37,895 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:19:37,896 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:19:37,896 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:19:37,896 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:19:37,896 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:19:37,896 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:19:37,896 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:19:37,897 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:19:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-24 04:19:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 04:19:37,914 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:37,914 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-24 04:19:37,915 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:37,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:37,920 INFO L82 PathProgramCache]: Analyzing trace with hash 923713745, now seen corresponding path program 1 times [2019-11-24 04:19:37,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:37,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137744074] [2019-11-24 04:19:37,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:38,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137744074] [2019-11-24 04:19:38,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:38,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:19:38,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527116096] [2019-11-24 04:19:38,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:19:38,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:38,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:19:38,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:19:38,112 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2019-11-24 04:19:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:38,200 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2019-11-24 04:19:38,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 04:19:38,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-24 04:19:38,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:38,211 INFO L225 Difference]: With dead ends: 24 [2019-11-24 04:19:38,211 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 04:19:38,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:38,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 04:19:38,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 04:19:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 04:19:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-24 04:19:38,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2019-11-24 04:19:38,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:38,244 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-24 04:19:38,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:19:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-24 04:19:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:19:38,245 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:38,245 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:38,246 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:38,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:38,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1460610663, now seen corresponding path program 1 times [2019-11-24 04:19:38,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:38,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491734089] [2019-11-24 04:19:38,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:38,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491734089] [2019-11-24 04:19:38,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119068840] [2019-11-24 04:19:38,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:19:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:38,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-24 04:19:38,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:19:38,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:19:38,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:19:38,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:19:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:38,535 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:19:38,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:19:38,559 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:19:38,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 04:19:38,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:38,615 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [435412226] [2019-11-24 04:19:38,650 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-24 04:19:38,650 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:19:38,677 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:19:38,686 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:19:38,687 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:19:38,858 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-24 04:19:38,963 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:19:39,345 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2019-11-24 04:19:39,503 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 43 [2019-11-24 04:19:39,801 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2019-11-24 04:19:40,077 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2019-11-24 04:19:40,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:19:40,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5, 5] total 15 [2019-11-24 04:19:40,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949294241] [2019-11-24 04:19:40,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-24 04:19:40,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:40,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-24 04:19:40,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-11-24 04:19:40,086 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 7 states. [2019-11-24 04:19:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:40,133 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-11-24 04:19:40,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-24 04:19:40,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2019-11-24 04:19:40,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:40,135 INFO L225 Difference]: With dead ends: 15 [2019-11-24 04:19:40,135 INFO L226 Difference]: Without dead ends: 13 [2019-11-24 04:19:40,136 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-11-24 04:19:40,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-24 04:19:40,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-24 04:19:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-24 04:19:40,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-11-24 04:19:40,142 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2019-11-24 04:19:40,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:40,142 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-11-24 04:19:40,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-24 04:19:40,143 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-11-24 04:19:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-24 04:19:40,143 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:19:40,143 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:19:40,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:19:40,348 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:19:40,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:19:40,349 INFO L82 PathProgramCache]: Analyzing trace with hash 743425798, now seen corresponding path program 1 times [2019-11-24 04:19:40,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:19:40,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627834870] [2019-11-24 04:19:40,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:19:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:19:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:19:40,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627834870] [2019-11-24 04:19:40,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:19:40,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 04:19:40,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712854363] [2019-11-24 04:19:40,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 04:19:40,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:19:40,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 04:19:40,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:19:40,404 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 5 states. [2019-11-24 04:19:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:19:40,442 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-11-24 04:19:40,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 04:19:40,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-24 04:19:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:19:40,442 INFO L225 Difference]: With dead ends: 15 [2019-11-24 04:19:40,443 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 04:19:40,443 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-24 04:19:40,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 04:19:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 04:19:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 04:19:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 04:19:40,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-24 04:19:40,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:19:40,444 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 04:19:40,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 04:19:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 04:19:40,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 04:19:40,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 04:19:40,832 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-11-24 04:19:41,038 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-11-24 04:19:41,041 INFO L444 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-11-24 04:19:41,042 INFO L440 ceAbstractionStarter]: At program point L32-2(lines 32 36) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_main_~argc |ULTIMATE.start_main_#in~argc|)) (.cse2 (= ULTIMATE.start_main_~c3~0 10000)) (.cse3 (= ULTIMATE.start_main_~c1~0 4000)) (.cse4 (= |ULTIMATE.start_main_#in~argv.offset| ULTIMATE.start_main_~argv.offset)) (.cse5 (= |ULTIMATE.start_#in~argv.base| |ULTIMATE.start_main_#in~argv.base|)) (.cse6 (= ULTIMATE.start_main_~c2~0 2000)) (.cse8 (= |ULTIMATE.start_main_#in~argv.offset| |ULTIMATE.start_#in~argv.offset|)) (.cse9 (= ULTIMATE.start_main_~argv.base |ULTIMATE.start_main_#in~argv.base|)) (.cse10 (= |ULTIMATE.start_#in~argc| |ULTIMATE.start_main_#in~argc|)) (.cse11 (<= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~j~0))) (or (and (<= 0 ULTIMATE.start_main_~v~0) (let ((.cse0 (= ULTIMATE.start_main_~v~0 0))) (or (and (= ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~c1~0) .cse0) (and (not .cse0) (let ((.cse1 (= ULTIMATE.start_main_~v~0 1))) (or (and (= ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~c2~0) .cse1) (and (= ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~c3~0) (not .cse1))))))) .cse2 .cse3 .cse4 .cse5 (< ULTIMATE.start_main_~i~0 (+ ULTIMATE.start_main_~n~0 1)) (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1)) .cse6 (<= ULTIMATE.start_main_~v~0 2147483647) .cse7 (<= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~i~0) .cse8 (= ULTIMATE.start_main_~j~0 0) .cse9 .cse10) (and .cse7 .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_main_~n~0 1) (<= 0 (+ ULTIMATE.start_main_~n~0 2147483648)) .cse11 .cse6 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_main_~i~0 0) .cse11))) [2019-11-24 04:19:41,042 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 04:19:41,042 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-24 04:19:41,042 INFO L447 ceAbstractionStarter]: At program point L37(lines 10 38) the Hoare annotation is: true [2019-11-24 04:19:41,043 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-24 04:19:41,043 INFO L440 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (= ULTIMATE.start_main_~argc |ULTIMATE.start_main_#in~argc|) (= ULTIMATE.start_main_~c3~0 10000) (= ULTIMATE.start_main_~c1~0 4000) (= |ULTIMATE.start_main_#in~argv.offset| ULTIMATE.start_main_~argv.offset) (= |ULTIMATE.start_#in~argv.base| |ULTIMATE.start_main_#in~argv.base|) (<= ULTIMATE.start_main_~n~0 1) (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1)) (<= 0 (+ ULTIMATE.start_main_~n~0 2147483648)) (= |ULTIMATE.start_main_#in~argv.offset| |ULTIMATE.start_#in~argv.offset|) (= ULTIMATE.start_main_~c2~0 2000) (= ULTIMATE.start_main_~argv.base |ULTIMATE.start_main_#in~argv.base|) (= |ULTIMATE.start_#in~argc| |ULTIMATE.start_main_#in~argc|)) [2019-11-24 04:19:41,043 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 04:19:41,043 INFO L444 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-24 04:19:41,043 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-24 04:19:41,044 INFO L440 ceAbstractionStarter]: At program point L26-2(lines 20 30) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~c3~0 10000)) (.cse1 (= ULTIMATE.start_main_~c1~0 4000)) (.cse2 (= |ULTIMATE.start_main_#in~argv.offset| ULTIMATE.start_main_~argv.offset)) (.cse3 (= |ULTIMATE.start_#in~argv.base| |ULTIMATE.start_main_#in~argv.base|)) (.cse4 (= ULTIMATE.start_main_~c2~0 2000)) (.cse5 (= ULTIMATE.start_main_~argc |ULTIMATE.start_main_#in~argc|)) (.cse6 (= |ULTIMATE.start_main_#in~argv.offset| |ULTIMATE.start_#in~argv.offset|)) (.cse7 (= ULTIMATE.start_main_~argv.base |ULTIMATE.start_main_#in~argv.base|)) (.cse8 (= |ULTIMATE.start_#in~argc| |ULTIMATE.start_main_#in~argc|))) (or (and (< ULTIMATE.start_main_~n~0 10) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~k~0 0) .cse3 .cse4 .cse5 (<= 0 ULTIMATE.start_main_~n~0) (= ULTIMATE.start_main_~i~0 0) .cse6 .cse7 .cse8) (and (<= 0 ULTIMATE.start_main_~v~0) (let ((.cse9 (= ULTIMATE.start_main_~v~0 0))) (or (and (= ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~c1~0) .cse9) (and (not .cse9) (let ((.cse10 (= ULTIMATE.start_main_~v~0 1))) (or (and (= ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~c2~0) .cse10) (and (= ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~c3~0) (not .cse10))))))) .cse0 .cse1 .cse2 .cse3 (< ULTIMATE.start_main_~i~0 (+ ULTIMATE.start_main_~n~0 1)) .cse4 (<= ULTIMATE.start_main_~v~0 2147483647) .cse5 (< ULTIMATE.start_main_~n~0 2) (= ULTIMATE.start_main_~i~0 1) .cse6 .cse7 .cse8))) [2019-11-24 04:19:41,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 04:19:41 BoogieIcfgContainer [2019-11-24 04:19:41,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 04:19:41,073 INFO L168 Benchmark]: Toolchain (without parser) took 4042.04 ms. Allocated memory was 147.3 MB in the beginning and 243.3 MB in the end (delta: 95.9 MB). Free memory was 105.4 MB in the beginning and 177.1 MB in the end (delta: -71.7 MB). Peak memory consumption was 100.6 MB. Max. memory is 7.1 GB. [2019-11-24 04:19:41,074 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 04:19:41,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.51 ms. Allocated memory is still 147.3 MB. Free memory was 105.2 MB in the beginning and 95.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-24 04:19:41,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.70 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 95.5 MB in the beginning and 183.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-11-24 04:19:41,077 INFO L168 Benchmark]: Boogie Preprocessor took 33.37 ms. Allocated memory is still 204.5 MB. Free memory was 183.4 MB in the beginning and 181.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 04:19:41,078 INFO L168 Benchmark]: RCFGBuilder took 360.45 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 164.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-11-24 04:19:41,079 INFO L168 Benchmark]: TraceAbstraction took 3240.90 ms. Allocated memory was 204.5 MB in the beginning and 243.3 MB in the end (delta: 38.8 MB). Free memory was 164.9 MB in the beginning and 177.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2019-11-24 04:19:41,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 285.51 ms. Allocated memory is still 147.3 MB. Free memory was 105.2 MB in the beginning and 95.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 116.70 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 95.5 MB in the beginning and 183.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.37 ms. Allocated memory is still 204.5 MB. Free memory was 183.4 MB in the beginning and 181.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 360.45 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 164.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3240.90 ms. Allocated memory was 204.5 MB in the beginning and 243.3 MB in the end (delta: 38.8 MB). Free memory was 164.9 MB in the beginning and 177.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ((((((((((argc == \old(argc) && c3 == 10000) && c1 == 4000) && argv == argv) && argv == argv) && n <= 1) && n <= j + 1) && 0 <= n + 2147483648) && argv == argv) && c2 == 2000) && argv == argv) && \old(argc) == \old(argc) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((n < 10 && c3 == 10000) && c1 == 4000) && argv == argv) && k == 0) && argv == argv) && c2 == 2000) && argc == \old(argc)) && 0 <= n) && i == 0) && argv == argv) && argv == argv) && \old(argc) == \old(argc)) || ((((((((((((((0 <= v && ((k == c1 && v == 0) || (!(v == 0) && ((k == c2 && v == 1) || (k == c3 && !(v == 1)))))) && c3 == 10000) && c1 == 4000) && argv == argv) && argv == argv) && i < n + 1) && c2 == 2000) && v <= 2147483647) && argc == \old(argc)) && n < 2) && i == 1) && argv == argv) && argv == argv) && \old(argc) == \old(argc)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((0 <= v && ((k == c1 && v == 0) || (!(v == 0) && ((k == c2 && v == 1) || (k == c3 && !(v == 1)))))) && c3 == 10000) && c1 == 4000) && argv == argv) && argv == argv) && i < n + 1) && n <= j + 1) && c2 == 2000) && v <= 2147483647) && argc == \old(argc)) && n <= i) && argv == argv) && j == 0) && argv == argv) && \old(argc) == \old(argc)) || (((((((((((argc == \old(argc) && c3 == 10000) && c1 == 4000) && argv == argv) && argv == argv) && n <= 1) && 0 <= n + 2147483648) && n <= j) && c2 == 2000) && argv == argv) && argv == argv) && \old(argc) == \old(argc))) || (i <= 0 && n <= j) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 20 SDtfs, 25 SDslu, 21 SDs, 0 SdLazy, 52 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 12 NumberOfFragments, 283 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 263 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1369 SizeOfPredicates, 8 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 315, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 6, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 42, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 10, TOOLS_QUANTIFIERELIM_TIME[ms]: 34, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 22, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 165, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 12, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 213, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 213, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 47, DAG_COMPRESSION_RETAINED_NODES: 23, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...