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-lit/cggmp2005b.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:42:06,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:42:06,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:42:06,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:42:06,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:42:06,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:42:06,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:42:06,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:42:06,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:42:06,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:42:06,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:42:06,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:42:06,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:42:06,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:42:06,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:42:06,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:42:06,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:42:06,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:42:06,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:42:06,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:42:06,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:42:06,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:42:06,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:42:06,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:42:06,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 13:42:06,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:42:06,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:42:06,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:42:06,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:42:06,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:42:06,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:42:06,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:42:06,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:42:06,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:42:06,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:42:06,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:42:06,587 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 [2019-10-07 13:42:06,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:42:06,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:42:06,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:42:06,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:42:06,625 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:42:06,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:42:06,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:42:06,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:42:06,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:42:06,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:42:06,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:42:06,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:42:06,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:42:06,627 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:42:06,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:42:06,627 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:42:06,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:42:06,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:42:06,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:42:06,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:42:06,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:42:06,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:42:06,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:42:06,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:42:06,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:42:06,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:42:06,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:42:06,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:42:06,633 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 [2019-10-07 13:42:06,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:42:06,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:42:06,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:42:06,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:42:06,952 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:42:06,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005b.i [2019-10-07 13:42:07,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1ebe4b7/f30f4c974c8f41a1b97a6668550f965f/FLAGb03f960f8 [2019-10-07 13:42:07,496 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:42:07,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005b.i [2019-10-07 13:42:07,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1ebe4b7/f30f4c974c8f41a1b97a6668550f965f/FLAGb03f960f8 [2019-10-07 13:42:07,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a1ebe4b7/f30f4c974c8f41a1b97a6668550f965f [2019-10-07 13:42:07,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:42:07,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:42:07,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:42:07,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:42:07,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:42:07,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:42:07" (1/1) ... [2019-10-07 13:42:07,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b073ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:07, skipping insertion in model container [2019-10-07 13:42:07,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:42:07" (1/1) ... [2019-10-07 13:42:07,888 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:42:07,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:42:08,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:42:08,146 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:42:08,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:42:08,185 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:42:08,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08 WrapperNode [2019-10-07 13:42:08,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:42:08,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:42:08,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:42:08,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:42:08,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (1/1) ... [2019-10-07 13:42:08,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (1/1) ... [2019-10-07 13:42:08,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (1/1) ... [2019-10-07 13:42:08,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (1/1) ... [2019-10-07 13:42:08,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (1/1) ... [2019-10-07 13:42:08,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (1/1) ... [2019-10-07 13:42:08,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (1/1) ... [2019-10-07 13:42:08,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:42:08,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:42:08,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:42:08,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:42:08,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (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 [2019-10-07 13:42:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:42:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:42:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-07 13:42:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:42:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:42:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 13:42:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 13:42:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 13:42:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:42:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:42:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:42:08,632 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:42:08,632 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-07 13:42:08,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:42:08 BoogieIcfgContainer [2019-10-07 13:42:08,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:42:08,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:42:08,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:42:08,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:42:08,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:42:07" (1/3) ... [2019-10-07 13:42:08,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326a58a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:42:08, skipping insertion in model container [2019-10-07 13:42:08,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:08" (2/3) ... [2019-10-07 13:42:08,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326a58a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:42:08, skipping insertion in model container [2019-10-07 13:42:08,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:42:08" (3/3) ... [2019-10-07 13:42:08,648 INFO L109 eAbstractionObserver]: Analyzing ICFG cggmp2005b.i [2019-10-07 13:42:08,660 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:42:08,670 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:42:08,686 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:42:08,734 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:42:08,734 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:42:08,734 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:42:08,737 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:42:08,737 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:42:08,737 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:42:08,746 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:42:08,747 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:42:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-07 13:42:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-07 13:42:08,780 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:42:08,781 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:42:08,783 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:42:08,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:42:08,788 INFO L82 PathProgramCache]: Analyzing trace with hash 749272152, now seen corresponding path program 1 times [2019-10-07 13:42:08,796 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:42:08,797 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:08,797 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:08,797 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:08,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:42:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:08,952 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:08,952 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:42:08,953 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:42:08,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:42:08,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:42:08,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:42:08,971 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-10-07 13:42:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:42:09,012 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-10-07 13:42:09,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:42:09,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-10-07 13:42:09,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:42:09,022 INFO L225 Difference]: With dead ends: 31 [2019-10-07 13:42:09,023 INFO L226 Difference]: Without dead ends: 14 [2019-10-07 13:42:09,026 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:42:09,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-10-07 13:42:09,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-10-07 13:42:09,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-10-07 13:42:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2019-10-07 13:42:09,061 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 10 [2019-10-07 13:42:09,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:42:09,061 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-10-07 13:42:09,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:42:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-10-07 13:42:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 13:42:09,063 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:42:09,063 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:42:09,063 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:42:09,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:42:09,064 INFO L82 PathProgramCache]: Analyzing trace with hash 968676257, now seen corresponding path program 1 times [2019-10-07 13:42:09,064 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:42:09,064 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:09,065 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:09,065 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:09,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:42:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:09,091 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:09,092 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:42:09,092 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:42:09,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:42:09,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:42:09,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:42:09,095 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 3 states. [2019-10-07 13:42:09,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:42:09,107 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2019-10-07 13:42:09,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:42:09,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-10-07 13:42:09,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:42:09,109 INFO L225 Difference]: With dead ends: 23 [2019-10-07 13:42:09,109 INFO L226 Difference]: Without dead ends: 15 [2019-10-07 13:42:09,110 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:42:09,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-10-07 13:42:09,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-10-07 13:42:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-07 13:42:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-10-07 13:42:09,116 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 13 [2019-10-07 13:42:09,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:42:09,116 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-10-07 13:42:09,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:42:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-10-07 13:42:09,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-07 13:42:09,118 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:42:09,118 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:42:09,118 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:42:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:42:09,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1898166767, now seen corresponding path program 1 times [2019-10-07 13:42:09,119 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:42:09,119 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:09,120 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:09,120 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:09,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:42:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:42:09,158 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:09,158 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:42:09,159 INFO L95 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 [2019-10-07 13:42:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:09,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 13:42:09,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:42:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:42:09,242 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:42:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:42:09,281 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:42:09,307 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-07 13:42:09,308 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:42:09,315 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:42:09,324 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:42:09,324 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:42:09,385 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-07 13:42:09,950 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-10-07 13:42:09,977 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-07 13:42:09,982 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:42:09,983 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:42:09,983 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 186#true [2019-10-07 13:42:09,991 INFO L193 IcfgInterpreter]: Reachable states at location L15-2 satisfy 158#(and (<= 1 main_~i~0) (not (<= main_~k~0 3)) (<= 20 main_~j~0) (= main_~k~0 4) (not (< main_~j~0 20)) (<= 0 (+ main_~j~0 100)) (<= main_~k~0 4) (<= 100 main_~i~0) (<= 4 main_~k~0) (not (<= main_~i~0 100))) [2019-10-07 13:42:09,991 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 172#(and (= |__VERIFIER_assert_#in~cond| 1) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-07 13:42:09,992 INFO L193 IcfgInterpreter]: Reachable states at location L17-2 satisfy 143#(and (<= 1 main_~i~0) (<= 0 (+ main_~j~0 100)) (<= main_~k~0 9)) [2019-10-07 13:42:09,992 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true [2019-10-07 13:42:09,992 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true [2019-10-07 13:42:09,992 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 191#true [2019-10-07 13:42:09,993 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:42:09,993 INFO L193 IcfgInterpreter]: Reachable states at location L21-3 satisfy 153#(and (or (and (<= (+ main_~j~0 100) 0) (<= 0 main_~i~0) (<= 0 (+ main_~j~0 100)) (<= 9 main_~k~0) (= main_~j~0 (- 100)) (= main_~k~0 9) (<= main_~i~0 0) (= main_~i~0 0) (<= main_~k~0 9)) (and (<= 1 main_~i~0) (not (<= main_~k~0 3)) (= main_~k~0 4) (not (< main_~j~0 20)) (<= 0 (+ main_~j~0 100)))) (or (and (<= 20 main_~j~0) (<= main_~k~0 4) (<= 4 main_~k~0)) (and (<= (+ main_~j~0 100) 0) (<= 0 main_~i~0) (<= 9 main_~k~0) (<= main_~i~0 0) (<= main_~k~0 9)))) [2019-10-07 13:42:09,994 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 177#false [2019-10-07 13:42:09,994 INFO L193 IcfgInterpreter]: Reachable states at location L21-2 satisfy 148#(and (<= 1 main_~i~0) (<= 20 main_~j~0) (= main_~k~0 4) (not (< main_~j~0 20)) (<= 0 (+ main_~j~0 100)) (<= main_~k~0 4) (<= 4 main_~k~0)) [2019-10-07 13:42:09,994 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 167#(and (= |__VERIFIER_assert_#in~cond| 1) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) [2019-10-07 13:42:09,995 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 182#false [2019-10-07 13:42:10,111 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2019-10-07 13:42:10,286 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-07 13:42:10,287 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 4, 4] total 12 [2019-10-07 13:42:10,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 13:42:10,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 13:42:10,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2019-10-07 13:42:10,291 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 8 states. [2019-10-07 13:42:10,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:42:10,367 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2019-10-07 13:42:10,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 13:42:10,368 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-10-07 13:42:10,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:42:10,369 INFO L225 Difference]: With dead ends: 22 [2019-10-07 13:42:10,370 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 13:42:10,372 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2019-10-07 13:42:10,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 13:42:10,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 13:42:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 13:42:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 13:42:10,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-10-07 13:42:10,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:42:10,375 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 13:42:10,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 13:42:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 13:42:10,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 13:42:10,578 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:42:10,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 13:42:10,700 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-07 13:42:10,700 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:42:10,701 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:42:10,701 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-07 13:42:10,701 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 13:42:10,701 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 13:42:10,701 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-07 13:42:10,701 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 27) no Hoare annotation was computed. [2019-10-07 13:42:10,702 INFO L439 ceAbstractionStarter]: At program point L21-2(lines 21 23) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 20 main_~j~0) (<= main_~k~0 4) (<= 4 main_~k~0)) [2019-10-07 13:42:10,702 INFO L439 ceAbstractionStarter]: At program point L21-3(lines 15 24) the Hoare annotation is: (or (and (and (<= 0 main_~i~0) (<= 9 main_~k~0) (<= main_~k~0 9)) (= (+ main_~j~0 100) 0) (<= main_~i~0 0)) (and (<= 1 main_~i~0) (<= 20 main_~j~0) (<= main_~k~0 4) (<= 4 main_~k~0))) [2019-10-07 13:42:10,702 INFO L439 ceAbstractionStarter]: At program point L17-2(lines 17 19) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 0 (+ main_~j~0 100)) (<= main_~k~0 9)) [2019-10-07 13:42:10,702 INFO L439 ceAbstractionStarter]: At program point L15-2(lines 15 24) the Hoare annotation is: (and (<= 20 main_~j~0) (< 100 main_~i~0) (<= main_~k~0 4) (<= 4 main_~k~0)) [2019-10-07 13:42:10,703 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 27) the Hoare annotation is: true [2019-10-07 13:42:10,703 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-10-07 13:42:10,703 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-10-07 13:42:10,703 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-07 13:42:10,703 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-07 13:42:10,704 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-07 13:42:10,704 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-10-07 13:42:10,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 01:42:10 BoogieIcfgContainer [2019-10-07 13:42:10,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 13:42:10,739 INFO L168 Benchmark]: Toolchain (without parser) took 2869.55 ms. Allocated memory was 146.3 MB in the beginning and 235.4 MB in the end (delta: 89.1 MB). Free memory was 104.9 MB in the beginning and 150.2 MB in the end (delta: -45.3 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:42:10,740 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 13:42:10,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.62 ms. Allocated memory is still 146.3 MB. Free memory was 104.7 MB in the beginning and 94.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:42:10,742 INFO L168 Benchmark]: Boogie Preprocessor took 139.45 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 94.9 MB in the beginning and 184.1 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-07 13:42:10,743 INFO L168 Benchmark]: RCFGBuilder took 308.24 ms. Allocated memory is still 203.9 MB. Free memory was 184.1 MB in the beginning and 170.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:42:10,744 INFO L168 Benchmark]: TraceAbstraction took 2099.34 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 169.7 MB in the beginning and 150.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-10-07 13:42:10,749 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.62 ms. Allocated memory is still 146.3 MB. Free memory was 104.7 MB in the beginning and 94.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.45 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 94.9 MB in the beginning and 184.1 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.24 ms. Allocated memory is still 203.9 MB. Free memory was 184.1 MB in the beginning and 170.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2099.34 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 169.7 MB in the beginning and 150.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 51.0 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: 15]: Loop Invariant Derived loop invariant: ((((0 <= i && 9 <= k) && k <= 9) && j + 100 == 0) && i <= 0) || (((1 <= i && 20 <= j) && k <= 4) && 4 <= k) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((1 <= i && 20 <= j) && k <= 4) && 4 <= k - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= i && 0 <= j + 100) && k <= 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 40 SDtfs, 6 SDslu, 44 SDs, 0 SdLazy, 32 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 12 PreInvPairs, 19 NumberOfFragments, 76 HoareAnnotationTreeSize, 12 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 1236 SizeOfPredicates, 1 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 4/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 688, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 27, TOOLS_POST_TIME[ms]: 45, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 12, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 40, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 7, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 50, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME[ms]: 417, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 78, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 425, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 424, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 88, DAG_COMPRESSION_RETAINED_NODES: 52, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...