java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invariants/const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:58:21,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:58:21,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:58:21,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:58:21,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:58:21,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:58:21,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:58:21,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:58:21,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:58:21,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:58:21,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:58:21,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:58:21,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:58:21,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:58:21,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:58:21,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:58:21,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:58:21,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:58:21,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:58:21,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:58:21,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:58:21,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:58:21,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:58:21,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:58:21,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 22:58:21,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:58:21,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:58:21,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:58:21,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:58:21,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:58:21,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:58:21,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:58:21,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:58:21,375 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:58:21,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:58:21,378 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:58:21,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:58:21,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:58:21,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:58:21,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:58:21,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:58:21,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:58:21,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:58:21,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:58:21,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:58:21,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:58:21,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:58:21,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:58:21,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:58:21,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:58:21,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:58:21,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:58:21,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:58:21,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:58:21,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:58:21,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:58:21,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:58:21,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:58:21,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:58:21,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:58:21,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:58:21,691 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:58:21,692 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:58:21,693 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/const.c [2019-10-13 22:58:21,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ff15380/78bef4a1e22c4f4a82ce1bc153f049ed/FLAG49832cb42 [2019-10-13 22:58:22,209 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:58:22,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/const.c [2019-10-13 22:58:22,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ff15380/78bef4a1e22c4f4a82ce1bc153f049ed/FLAG49832cb42 [2019-10-13 22:58:22,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ff15380/78bef4a1e22c4f4a82ce1bc153f049ed [2019-10-13 22:58:22,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:58:22,637 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:58:22,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:58:22,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:58:22,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:58:22,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3ce9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22, skipping insertion in model container [2019-10-13 22:58:22,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,652 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:58:22,669 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:58:22,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:58:22,842 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:58:22,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:58:22,870 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:58:22,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22 WrapperNode [2019-10-13 22:58:22,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:58:22,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:58:22,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:58:22,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:58:22,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (1/1) ... [2019-10-13 22:58:22,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:58:22,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:58:22,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:58:22,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:58:22,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (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 [2019-10-13 22:58:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:58:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:58:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 22:58:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:58:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:58:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:58:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 22:58:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:58:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:58:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:58:23,241 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:58:23,241 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 22:58:23,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:58:23 BoogieIcfgContainer [2019-10-13 22:58:23,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:58:23,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:58:23,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:58:23,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:58:23,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:58:22" (1/3) ... [2019-10-13 22:58:23,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e91119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:58:23, skipping insertion in model container [2019-10-13 22:58:23,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:22" (2/3) ... [2019-10-13 22:58:23,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e91119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:58:23, skipping insertion in model container [2019-10-13 22:58:23,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:58:23" (3/3) ... [2019-10-13 22:58:23,251 INFO L109 eAbstractionObserver]: Analyzing ICFG const.c [2019-10-13 22:58:23,261 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:58:23,269 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:58:23,280 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:58:23,308 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:58:23,308 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:58:23,308 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:58:23,309 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:58:23,309 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:58:23,309 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:58:23,309 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:58:23,309 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:58:23,331 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-13 22:58:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-13 22:58:23,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:58:23,340 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:58:23,342 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:58:23,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:58:23,350 INFO L82 PathProgramCache]: Analyzing trace with hash -195062045, now seen corresponding path program 1 times [2019-10-13 22:58:23,360 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:58:23,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972908241] [2019-10-13 22:58:23,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:23,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:23,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:58:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:58:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:58:23,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972908241] [2019-10-13 22:58:23,665 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:58:23,665 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 22:58:23,665 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934848243] [2019-10-13 22:58:23,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:58:23,670 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:58:23,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:58:23,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:58:23,688 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2019-10-13 22:58:23,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:58:23,757 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2019-10-13 22:58:23,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:58:23,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-10-13 22:58:23,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:58:23,769 INFO L225 Difference]: With dead ends: 27 [2019-10-13 22:58:23,769 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 22:58:23,775 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 22:58:23,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 22:58:23,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 22:58:23,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 22:58:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 22:58:23,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-10-13 22:58:23,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:58:23,798 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 22:58:23,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 22:58:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 22:58:23,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 22:58:23,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 22:58:23,857 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-13 22:58:23,857 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:23,857 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:23,857 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 22:58:23,857 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 22:58:23,858 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 22:58:23,858 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 9 20) no Hoare annotation was computed. [2019-10-13 22:58:23,858 INFO L439 ceAbstractionStarter]: At program point L15(lines 11 18) the Hoare annotation is: (and (<= main_~s~0 0) (< 0 (+ (div main_~s~0 4294967296) 1))) [2019-10-13 22:58:23,858 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 9 20) the Hoare annotation is: true [2019-10-13 22:58:23,859 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (and (<= main_~s~0 0) (< 0 (+ (div main_~s~0 4294967296) 1))) [2019-10-13 22:58:23,859 INFO L443 ceAbstractionStarter]: For program point L12-2(lines 11 18) no Hoare annotation was computed. [2019-10-13 22:58:23,861 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-13 22:58:23,861 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-10-13 22:58:23,861 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-10-13 22:58:23,861 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-13 22:58:23,862 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-13 22:58:23,862 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-10-13 22:58:23,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:58:23 BoogieIcfgContainer [2019-10-13 22:58:23,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 22:58:23,883 INFO L168 Benchmark]: Toolchain (without parser) took 1244.09 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 104.4 MB in the beginning and 135.1 MB in the end (delta: -30.7 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:23,884 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 22:58:23,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.88 ms. Allocated memory is still 140.5 MB. Free memory was 104.0 MB in the beginning and 95.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:23,886 INFO L168 Benchmark]: Boogie Preprocessor took 106.41 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 95.0 MB in the beginning and 183.1 MB in the end (delta: -88.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:23,887 INFO L168 Benchmark]: RCFGBuilder took 264.35 ms. Allocated memory is still 203.9 MB. Free memory was 182.2 MB in the beginning and 169.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:23,888 INFO L168 Benchmark]: TraceAbstraction took 636.06 ms. Allocated memory is still 203.9 MB. Free memory was 169.0 MB in the beginning and 135.1 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:23,892 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 232.88 ms. Allocated memory is still 140.5 MB. Free memory was 104.0 MB in the beginning and 95.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.41 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 95.0 MB in the beginning and 183.1 MB in the end (delta: -88.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 264.35 ms. Allocated memory is still 203.9 MB. Free memory was 182.2 MB in the beginning and 169.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 636.06 ms. Allocated memory is still 203.9 MB. Free memory was 169.0 MB in the beginning and 135.1 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 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: 11]: Loop Invariant Derived loop invariant: s <= 0 && 0 < s / 4294967296 + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 8 SDslu, 37 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 27 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...