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/ldv-regression/test18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:23:59,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:23:59,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:23:59,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:23:59,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:23:59,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:23:59,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:23:59,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:23:59,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:23:59,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:23:59,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:23:59,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:23:59,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:23:59,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:23:59,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:23:59,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:23:59,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:23:59,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:23:59,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:23:59,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:23:59,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:23:59,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:23:59,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:23:59,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:23:59,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 16:23:59,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:23:59,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:23:59,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:23:59,603 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 [2019-09-16 16:23:59,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:23:59,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:23:59,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:23:59,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:23:59,619 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:23:59,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:23:59,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:23:59,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:23:59,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:23:59,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:23:59,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:23:59,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:23:59,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:23:59,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:23:59,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:23:59,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:23:59,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:23:59,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:23:59,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:23:59,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:23:59,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:23:59,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:23:59,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:23:59,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:23:59,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:23:59,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:23:59,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:23:59,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:23:59,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:23:59,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:23:59,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:23:59,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:23:59,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:23:59,674 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:23:59,675 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c [2019-09-16 16:23:59,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c2d3e80/05fd324ac0c64c159c93938573445df1/FLAGa74e8ab22 [2019-09-16 16:24:00,158 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:24:00,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18.c [2019-09-16 16:24:00,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c2d3e80/05fd324ac0c64c159c93938573445df1/FLAGa74e8ab22 [2019-09-16 16:24:00,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c2d3e80/05fd324ac0c64c159c93938573445df1 [2019-09-16 16:24:00,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:24:00,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:24:00,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:24:00,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:24:00,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:24:00,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7d25d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00, skipping insertion in model container [2019-09-16 16:24:00,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,580 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:24:00,598 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:24:00,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:24:00,800 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:24:00,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:24:00,828 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:24:00,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00 WrapperNode [2019-09-16 16:24:00,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:24:00,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:24:00,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:24:00,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:24:00,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (1/1) ... [2019-09-16 16:24:00,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:24:00,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:24:00,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:24:00,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:24:00,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (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 [2019-09-16 16:24:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:24:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:24:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-16 16:24:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-16 16:24:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:24:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:24:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-16 16:24:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:24:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:24:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-16 16:24:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:24:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:24:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:24:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:24:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:24:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:24:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:24:01,281 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:24:01,281 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 16:24:01,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:24:01 BoogieIcfgContainer [2019-09-16 16:24:01,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:24:01,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:24:01,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:24:01,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:24:01,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:24:00" (1/3) ... [2019-09-16 16:24:01,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8ba78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:24:01, skipping insertion in model container [2019-09-16 16:24:01,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:00" (2/3) ... [2019-09-16 16:24:01,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8ba78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:24:01, skipping insertion in model container [2019-09-16 16:24:01,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:24:01" (3/3) ... [2019-09-16 16:24:01,304 INFO L109 eAbstractionObserver]: Analyzing ICFG test18.c [2019-09-16 16:24:01,313 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:24:01,321 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:24:01,339 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:24:01,364 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:24:01,364 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:24:01,364 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:24:01,365 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:24:01,365 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:24:01,365 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:24:01,365 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:24:01,365 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:24:01,365 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:24:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-09-16 16:24:01,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-16 16:24:01,388 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:24:01,389 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:24:01,391 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:24:01,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:24:01,397 INFO L82 PathProgramCache]: Analyzing trace with hash 731851180, now seen corresponding path program 1 times [2019-09-16 16:24:01,398 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:24:01,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:24:01,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:24:01,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:24:01,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:24:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:24:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:24:01,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:24:01,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 16:24:01,760 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:24:01,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:24:01,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:24:01,778 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 9 states. [2019-09-16 16:24:01,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:24:01,974 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2019-09-16 16:24:01,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:24:01,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-09-16 16:24:01,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:24:01,984 INFO L225 Difference]: With dead ends: 27 [2019-09-16 16:24:01,985 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:24:01,992 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:24:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:24:02,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:24:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:24:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:24:02,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-09-16 16:24:02,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:24:02,023 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:24:02,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:24:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:24:02,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:24:02,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:24:02,118 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:24:02,118 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:24:02,118 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:24:02,119 INFO L439 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|)) [2019-09-16 16:24:02,119 INFO L443 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-09-16 16:24:02,119 INFO L443 ceAbstractionStarter]: For program point fEXIT(lines 8 11) no Hoare annotation was computed. [2019-09-16 16:24:02,119 INFO L439 ceAbstractionStarter]: At program point fENTRY(lines 8 11) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-16 16:24:02,119 INFO L443 ceAbstractionStarter]: For program point fFINAL(lines 8 11) no Hoare annotation was computed. [2019-09-16 16:24:02,120 INFO L443 ceAbstractionStarter]: For program point gEXIT(lines 4 6) no Hoare annotation was computed. [2019-09-16 16:24:02,120 INFO L443 ceAbstractionStarter]: For program point gFINAL(lines 4 6) no Hoare annotation was computed. [2019-09-16 16:24:02,120 INFO L439 ceAbstractionStarter]: At program point gENTRY(lines 4 6) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-16 16:24:02,120 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:24:02,120 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-16 16:24:02,121 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:24:02,121 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:24:02,121 INFO L439 ceAbstractionStarter]: At program point L17(lines 13 24) the Hoare annotation is: false [2019-09-16 16:24:02,121 INFO L443 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2019-09-16 16:24:02,122 INFO L439 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-16 16:24:02,122 INFO L443 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-09-16 16:24:02,122 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 13 24) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-16 16:24:02,122 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 13 24) no Hoare annotation was computed. [2019-09-16 16:24:02,122 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 24) no Hoare annotation was computed. [2019-09-16 16:24:02,123 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2019-09-16 16:24:02,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:24:02 BoogieIcfgContainer [2019-09-16 16:24:02,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:24:02,137 INFO L168 Benchmark]: Toolchain (without parser) took 1570.82 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 108.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:02,139 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:24:02,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.57 ms. Allocated memory is still 138.4 MB. Free memory was 85.5 MB in the beginning and 75.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:02,143 INFO L168 Benchmark]: Boogie Preprocessor took 122.93 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 75.9 MB in the beginning and 174.9 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:02,144 INFO L168 Benchmark]: RCFGBuilder took 330.73 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 159.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:02,145 INFO L168 Benchmark]: TraceAbstraction took 846.63 ms. Allocated memory is still 198.2 MB. Free memory was 159.0 MB in the beginning and 108.4 MB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:02,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.57 ms. Allocated memory is still 138.4 MB. Free memory was 85.5 MB in the beginning and 75.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.93 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 75.9 MB in the beginning and 174.9 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 330.73 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 159.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 846.63 ms. Allocated memory is still 198.2 MB. Free memory was 159.0 MB in the beginning and 108.4 MB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: 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: 13]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 4 SDslu, 56 SDs, 0 SdLazy, 75 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 47 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 1955 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...