/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/locks/test_locks_5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:13:33,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:13:33,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:13:33,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:13:33,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:13:33,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:13:33,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:13:33,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:13:33,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:13:33,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:13:33,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:13:33,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:13:33,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:13:33,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:13:33,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:13:33,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:13:33,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:13:33,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:13:33,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:13:33,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:13:33,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:13:33,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:13:33,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:13:33,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:13:33,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:13:33,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:13:33,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:13:33,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:13:33,134 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 04:13:33,148 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:13:33,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:13:33,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:13:33,149 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:13:33,150 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:13:33,150 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:13:33,150 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:13:33,150 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:13:33,150 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:13:33,150 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:13:33,151 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:13:33,151 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:13:33,151 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:13:33,151 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:13:33,152 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:13:33,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:13:33,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:13:33,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:13:33,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:13:33,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:13:33,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:13:33,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:13:33,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:13:33,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:13:33,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:13:33,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:13:33,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:13:33,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:13:33,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:13:33,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:13:33,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:13:33,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:13:33,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:13:33,156 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:13:33,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:13:33,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:13:33,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:13:33,156 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:13:33,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:13:33,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:13:33,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:13:33,440 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:13:33,441 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:13:33,441 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_5.c [2019-11-24 04:13:33,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5e1a559/201d429f337747aaadc57aeb628a1c38/FLAGd4548be43 [2019-11-24 04:13:33,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:13:33,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_5.c [2019-11-24 04:13:33,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5e1a559/201d429f337747aaadc57aeb628a1c38/FLAGd4548be43 [2019-11-24 04:13:34,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5e1a559/201d429f337747aaadc57aeb628a1c38 [2019-11-24 04:13:34,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:13:34,336 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:13:34,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:13:34,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:13:34,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:13:34,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9ac29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34, skipping insertion in model container [2019-11-24 04:13:34,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:13:34,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:13:34,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:13:34,593 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:13:34,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:13:34,627 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:13:34,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34 WrapperNode [2019-11-24 04:13:34,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:13:34,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:13:34,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:13:34,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:13:34,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:13:34,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:13:34,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:13:34,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:13:34,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (1/1) ... [2019-11-24 04:13:34,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:13:34,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:13:34,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:13:34,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:13:34,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (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 04:13:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:13:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:13:35,216 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:13:35,216 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-24 04:13:35,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:13:35 BoogieIcfgContainer [2019-11-24 04:13:35,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:13:35,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:13:35,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:13:35,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:13:35,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:13:34" (1/3) ... [2019-11-24 04:13:35,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35965f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:13:35, skipping insertion in model container [2019-11-24 04:13:35,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:13:34" (2/3) ... [2019-11-24 04:13:35,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35965f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:13:35, skipping insertion in model container [2019-11-24 04:13:35,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:13:35" (3/3) ... [2019-11-24 04:13:35,225 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_5.c [2019-11-24 04:13:35,234 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:13:35,241 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:13:35,252 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:13:35,275 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:13:35,275 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:13:35,275 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:13:35,275 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:13:35,275 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:13:35,275 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:13:35,275 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:13:35,275 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:13:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-24 04:13:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 04:13:35,291 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:13:35,292 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-24 04:13:35,292 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:13:35,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:13:35,297 INFO L82 PathProgramCache]: Analyzing trace with hash 929050359, now seen corresponding path program 1 times [2019-11-24 04:13:35,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:13:35,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305890741] [2019-11-24 04:13:35,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:13:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:13:35,474 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 04:13:35,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305890741] [2019-11-24 04:13:35,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:13:35,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:13:35,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160122863] [2019-11-24 04:13:35,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:13:35,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:13:35,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:13:35,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,495 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 4 states. [2019-11-24 04:13:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:13:35,544 INFO L93 Difference]: Finished difference Result 38 states and 57 transitions. [2019-11-24 04:13:35,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:13:35,546 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-24 04:13:35,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:13:35,557 INFO L225 Difference]: With dead ends: 38 [2019-11-24 04:13:35,558 INFO L226 Difference]: Without dead ends: 27 [2019-11-24 04:13:35,561 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-24 04:13:35,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2019-11-24 04:13:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-24 04:13:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. [2019-11-24 04:13:35,594 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 23 transitions. Word has length 6 [2019-11-24 04:13:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:13:35,594 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 23 transitions. [2019-11-24 04:13:35,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:13:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2019-11-24 04:13:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:13:35,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:13:35,596 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:13:35,596 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:13:35,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:13:35,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1263994976, now seen corresponding path program 1 times [2019-11-24 04:13:35,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:13:35,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964237946] [2019-11-24 04:13:35,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:13:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:13:35,647 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 04:13:35,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964237946] [2019-11-24 04:13:35,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:13:35,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:13:35,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703062218] [2019-11-24 04:13:35,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:13:35,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:13:35,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:13:35,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,651 INFO L87 Difference]: Start difference. First operand 15 states and 23 transitions. Second operand 4 states. [2019-11-24 04:13:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:13:35,680 INFO L93 Difference]: Finished difference Result 27 states and 39 transitions. [2019-11-24 04:13:35,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:13:35,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 04:13:35,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:13:35,682 INFO L225 Difference]: With dead ends: 27 [2019-11-24 04:13:35,683 INFO L226 Difference]: Without dead ends: 25 [2019-11-24 04:13:35,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-24 04:13:35,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 15. [2019-11-24 04:13:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-24 04:13:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2019-11-24 04:13:35,688 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 22 transitions. Word has length 7 [2019-11-24 04:13:35,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:13:35,689 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 22 transitions. [2019-11-24 04:13:35,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:13:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2019-11-24 04:13:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:13:35,690 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:13:35,690 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:13:35,690 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:13:35,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:13:35,691 INFO L82 PathProgramCache]: Analyzing trace with hash -528923284, now seen corresponding path program 1 times [2019-11-24 04:13:35,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:13:35,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362046037] [2019-11-24 04:13:35,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:13:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:13:35,741 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 04:13:35,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362046037] [2019-11-24 04:13:35,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:13:35,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:13:35,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030798445] [2019-11-24 04:13:35,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:13:35,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:13:35,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:13:35,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,745 INFO L87 Difference]: Start difference. First operand 15 states and 22 transitions. Second operand 4 states. [2019-11-24 04:13:35,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:13:35,771 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2019-11-24 04:13:35,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:13:35,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-24 04:13:35,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:13:35,773 INFO L225 Difference]: With dead ends: 25 [2019-11-24 04:13:35,773 INFO L226 Difference]: Without dead ends: 23 [2019-11-24 04:13:35,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-24 04:13:35,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 15. [2019-11-24 04:13:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-24 04:13:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-11-24 04:13:35,777 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 21 transitions. Word has length 8 [2019-11-24 04:13:35,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:13:35,778 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-24 04:13:35,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:13:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2019-11-24 04:13:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 04:13:35,779 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:13:35,779 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:13:35,779 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:13:35,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:13:35,780 INFO L82 PathProgramCache]: Analyzing trace with hash 783463029, now seen corresponding path program 1 times [2019-11-24 04:13:35,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:13:35,780 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127402459] [2019-11-24 04:13:35,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:13:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:13:35,870 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 04:13:35,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127402459] [2019-11-24 04:13:35,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:13:35,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:13:35,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430304210] [2019-11-24 04:13:35,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:13:35,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:13:35,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:13:35,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,873 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. Second operand 4 states. [2019-11-24 04:13:35,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:13:35,902 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2019-11-24 04:13:35,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:13:35,902 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-24 04:13:35,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:13:35,903 INFO L225 Difference]: With dead ends: 23 [2019-11-24 04:13:35,903 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 04:13:35,904 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 04:13:35,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2019-11-24 04:13:35,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-24 04:13:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-24 04:13:35,912 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 20 transitions. Word has length 9 [2019-11-24 04:13:35,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:13:35,913 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-24 04:13:35,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:13:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2019-11-24 04:13:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 04:13:35,914 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:13:35,914 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:13:35,914 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:13:35,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:13:35,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1482233887, now seen corresponding path program 1 times [2019-11-24 04:13:35,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:13:35,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336954022] [2019-11-24 04:13:35,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:13:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:13:35,991 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 04:13:35,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336954022] [2019-11-24 04:13:35,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:13:35,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:13:35,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901422889] [2019-11-24 04:13:35,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:13:35,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:13:35,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:13:35,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:35,993 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. Second operand 4 states. [2019-11-24 04:13:36,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:13:36,021 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-11-24 04:13:36,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:13:36,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-24 04:13:36,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:13:36,022 INFO L225 Difference]: With dead ends: 17 [2019-11-24 04:13:36,023 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 04:13:36,023 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:13:36,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 04:13:36,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 04:13:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 04:13:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 04:13:36,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-24 04:13:36,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:13:36,025 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 04:13:36,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:13:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 04:13:36,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 04:13:36,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 04:13:36,055 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-24 04:13:36,055 INFO L447 ceAbstractionStarter]: At program point L89(lines 5 93) the Hoare annotation is: true [2019-11-24 04:13:36,056 INFO L444 ceAbstractionStarter]: For program point L73-1(lines 24 88) no Hoare annotation was computed. [2019-11-24 04:13:36,056 INFO L444 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2019-11-24 04:13:36,056 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 04:13:36,056 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 24 88) no Hoare annotation was computed. [2019-11-24 04:13:36,056 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-11-24 04:13:36,056 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 24 88) no Hoare annotation was computed. [2019-11-24 04:13:36,057 INFO L444 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2019-11-24 04:13:36,057 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 04:13:36,057 INFO L447 ceAbstractionStarter]: At program point L83-1(lines 24 88) the Hoare annotation is: true [2019-11-24 04:13:36,057 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-24 04:13:36,057 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 24 88) no Hoare annotation was computed. [2019-11-24 04:13:36,057 INFO L447 ceAbstractionStarter]: At program point L92(lines 4 93) the Hoare annotation is: true [2019-11-24 04:13:36,058 INFO L444 ceAbstractionStarter]: For program point L26(lines 26 28) no Hoare annotation was computed. [2019-11-24 04:13:36,058 INFO L444 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-24 04:13:36,058 INFO L440 ceAbstractionStarter]: At program point L84-1(lines 5 93) the Hoare annotation is: false [2019-11-24 04:13:36,058 INFO L444 ceAbstractionStarter]: For program point L68-1(lines 24 88) no Hoare annotation was computed. [2019-11-24 04:13:36,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 04:13:36 BoogieIcfgContainer [2019-11-24 04:13:36,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 04:13:36,069 INFO L168 Benchmark]: Toolchain (without parser) took 1732.19 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 104.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2019-11-24 04:13:36,070 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 04:13:36,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.81 ms. Allocated memory is still 136.8 MB. Free memory was 99.9 MB in the beginning and 89.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-24 04:13:36,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.65 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 89.8 MB in the beginning and 179.4 MB in the end (delta: -89.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-11-24 04:13:36,073 INFO L168 Benchmark]: Boogie Preprocessor took 21.55 ms. Allocated memory is still 200.3 MB. Free memory was 179.4 MB in the beginning and 177.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 04:13:36,074 INFO L168 Benchmark]: RCFGBuilder took 455.01 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 156.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-11-24 04:13:36,075 INFO L168 Benchmark]: TraceAbstraction took 848.35 ms. Allocated memory is still 200.3 MB. Free memory was 156.5 MB in the beginning and 104.1 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-11-24 04:13:36,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 290.81 ms. Allocated memory is still 136.8 MB. Free memory was 99.9 MB in the beginning and 89.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 111.65 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 89.8 MB in the beginning and 179.4 MB in the end (delta: -89.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.55 ms. Allocated memory is still 200.3 MB. Free memory was 179.4 MB in the beginning and 177.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 455.01 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 156.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 848.35 ms. Allocated memory is still 200.3 MB. Free memory was 156.5 MB in the beginning and 104.1 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 82 SDslu, 134 SDs, 0 SdLazy, 45 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 5 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 9 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...