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 -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 12:57:55,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 12:57:55,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 12:57:55,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 12:57:55,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 12:57:55,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 12:57:55,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 12:57:55,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 12:57:55,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 12:57:55,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 12:57:55,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 12:57:55,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 12:57:55,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 12:57:55,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 12:57:55,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 12:57:55,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 12:57:55,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 12:57:55,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 12:57:55,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 12:57:55,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 12:57:55,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 12:57:55,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 12:57:55,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 12:57:55,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 12:57:55,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 12:57:55,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 12:57:55,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 12:57:55,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 12:57:55,558 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 [2019-09-20 12:57:55,583 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 12:57:55,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 12:57:55,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 12:57:55,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 12:57:55,585 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 12:57:55,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 12:57:55,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 12:57:55,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 12:57:55,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 12:57:55,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 12:57:55,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 12:57:55,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 12:57:55,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 12:57:55,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 12:57:55,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 12:57:55,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 12:57:55,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 12:57:55,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 12:57:55,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 12:57:55,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 12:57:55,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 12:57:55,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 12:57:55,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 12:57:55,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 12:57:55,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 12:57:55,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 12:57:55,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 12:57:55,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 12:57:55,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 12:57:55,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 12:57:55,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 12:57:55,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 12:57:55,648 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 12:57:55,648 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 12:57:55,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-09-20 12:57:55,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cc3eebd/4e4fc900bce646fea5a38ed7c71d3bf2/FLAGb82eb2cbf [2019-09-20 12:57:56,161 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 12:57:56,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-09-20 12:57:56,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cc3eebd/4e4fc900bce646fea5a38ed7c71d3bf2/FLAGb82eb2cbf [2019-09-20 12:57:56,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cc3eebd/4e4fc900bce646fea5a38ed7c71d3bf2 [2019-09-20 12:57:56,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 12:57:56,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 12:57:56,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:56,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 12:57:56,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 12:57:56,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6786a740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56, skipping insertion in model container [2019-09-20 12:57:56,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,636 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 12:57:56,652 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 12:57:56,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:56,823 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 12:57:56,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:56,856 INFO L192 MainTranslator]: Completed translation [2019-09-20 12:57:56,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56 WrapperNode [2019-09-20 12:57:56,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:56,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 12:57:56,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 12:57:56,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 12:57:56,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (1/1) ... [2019-09-20 12:57:56,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 12:57:56,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 12:57:56,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 12:57:56,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 12:57:56,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (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 [2019-09-20 12:57:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 12:57:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 12:57:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 12:57:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 12:57:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 12:57:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 12:57:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 12:57:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 12:57:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 12:57:57,168 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 12:57:57,168 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 12:57:57,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:57 BoogieIcfgContainer [2019-09-20 12:57:57,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 12:57:57,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 12:57:57,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 12:57:57,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 12:57:57,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 12:57:56" (1/3) ... [2019-09-20 12:57:57,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fed7e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:57, skipping insertion in model container [2019-09-20 12:57:57,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:56" (2/3) ... [2019-09-20 12:57:57,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fed7e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:57, skipping insertion in model container [2019-09-20 12:57:57,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:57" (3/3) ... [2019-09-20 12:57:57,178 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_vardep_2.c [2019-09-20 12:57:57,187 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 12:57:57,194 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 12:57:57,210 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 12:57:57,238 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 12:57:57,239 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 12:57:57,239 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 12:57:57,240 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 12:57:57,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 12:57:57,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 12:57:57,240 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 12:57:57,240 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 12:57:57,240 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 12:57:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-20 12:57:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-20 12:57:57,263 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:57,264 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 12:57:57,266 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:57,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:57,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1847991872, now seen corresponding path program 1 times [2019-09-20 12:57:57,272 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:57,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:57,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:57,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:57,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:57,831 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2019-09-20 12:57:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:57:57,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:57:57,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 12:57:57,859 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 12:57:57,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 12:57:57,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 12:57:57,876 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2019-09-20 12:57:57,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:57:57,955 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2019-09-20 12:57:57,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 12:57:57,957 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-09-20 12:57:57,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:57:57,964 INFO L225 Difference]: With dead ends: 27 [2019-09-20 12:57:57,964 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 12:57:57,967 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-20 12:57:57,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 12:57:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 12:57:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 12:57:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 12:57:57,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-09-20 12:57:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:57:57,993 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 12:57:57,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 12:57:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 12:57:57,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 12:57:57,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 12:57:58,066 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-09-20 12:57:58,066 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:57:58,066 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:57:58,066 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 12:57:58,067 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:57:58,067 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:57:58,067 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 13 26) the Hoare annotation is: true [2019-09-20 12:57:58,067 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 26) no Hoare annotation was computed. [2019-09-20 12:57:58,068 INFO L439 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0)) (.cse1 (* 3 main_~i~0))) (and (<= .cse0 main_~j~0) (<= main_~j~0 .cse0) (<= .cse1 main_~k~0) (<= main_~k~0 .cse1))) [2019-09-20 12:57:58,068 INFO L439 ceAbstractionStarter]: At program point L23-1(lines 19 24) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0)) (.cse1 (* 3 main_~i~0))) (and (<= .cse0 main_~j~0) (<= main_~j~0 .cse0) (<= .cse1 main_~k~0) (<= main_~k~0 .cse1))) [2019-09-20 12:57:58,068 INFO L443 ceAbstractionStarter]: For program point L19-2(lines 13 26) no Hoare annotation was computed. [2019-09-20 12:57:58,069 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 5 11) the Hoare annotation is: true [2019-09-20 12:57:58,069 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-09-20 12:57:58,069 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 5 11) no Hoare annotation was computed. [2019-09-20 12:57:58,070 INFO L443 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-09-20 12:57:58,070 INFO L443 ceAbstractionStarter]: For program point L7(lines 7 9) no Hoare annotation was computed. [2019-09-20 12:57:58,070 INFO L443 ceAbstractionStarter]: For program point L7-2(lines 5 11) no Hoare annotation was computed. [2019-09-20 12:57:58,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 12:57:58 BoogieIcfgContainer [2019-09-20 12:57:58,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 12:57:58,097 INFO L168 Benchmark]: Toolchain (without parser) took 1475.25 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 82.3 MB in the beginning and 116.9 MB in the end (delta: -34.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:58,098 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 101.0 MB in the beginning and 100.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 12:57:58,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.93 ms. Allocated memory is still 136.3 MB. Free memory was 82.1 MB in the beginning and 72.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:58,103 INFO L168 Benchmark]: Boogie Preprocessor took 118.12 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 72.9 MB in the beginning and 174.5 MB in the end (delta: -101.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:58,104 INFO L168 Benchmark]: RCFGBuilder took 194.41 ms. Allocated memory is still 197.1 MB. Free memory was 174.5 MB in the beginning and 163.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:58,105 INFO L168 Benchmark]: TraceAbstraction took 922.39 ms. Allocated memory is still 197.1 MB. Free memory was 163.2 MB in the beginning and 116.9 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:58,115 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 136.3 MB. Free memory was 101.0 MB in the beginning and 100.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.93 ms. Allocated memory is still 136.3 MB. Free memory was 82.1 MB in the beginning and 72.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.12 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 72.9 MB in the beginning and 174.5 MB in the end (delta: -101.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 194.41 ms. Allocated memory is still 197.1 MB. Free memory was 174.5 MB in the beginning and 163.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 922.39 ms. Allocated memory is still 197.1 MB. Free memory was 163.2 MB in the beginning and 116.9 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 19]: Loop Invariant Derived loop invariant: ((2 * i <= j && j <= 2 * i) && 3 * i <= k) && k <= 3 * i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 7 SDslu, 33 SDs, 0 SdLazy, 15 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, 0.3s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 47 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 1197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...