/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:27:33,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:27:33,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:27:33,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:27:33,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:27:33,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:27:33,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:27:33,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:27:33,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:27:33,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:27:33,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:27:33,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:27:33,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:27:33,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:27:33,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:27:33,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:27:33,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:27:33,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:27:33,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:27:33,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:27:33,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:27:33,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:27:33,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:27:33,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:27:33,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 00:27:33,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:27:33,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:27:33,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:27:33,103 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 [2019-11-07 00:27:33,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:27:33,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:27:33,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:27:33,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:27:33,127 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:27:33,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:27:33,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:27:33,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:27:33,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:27:33,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:27:33,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:27:33,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:27:33,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:27:33,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:27:33,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:27:33,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:27:33,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:27:33,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:27:33,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:27:33,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:27:33,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:27:33,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:27:33,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:27:33,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:27:33,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:27:33,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:27:33,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:27:33,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:27:33,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:27:33,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:27:33,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:27:33,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:27:33,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:27:33,473 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:27:33,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2019-11-07 00:27:33,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d7ebf01/616c6dc5a11d42ffa3e334882e7b9f19/FLAG065b03aaf [2019-11-07 00:27:33,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:27:33,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2019-11-07 00:27:34,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d7ebf01/616c6dc5a11d42ffa3e334882e7b9f19/FLAG065b03aaf [2019-11-07 00:27:34,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d7ebf01/616c6dc5a11d42ffa3e334882e7b9f19 [2019-11-07 00:27:34,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:27:34,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:27:34,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:27:34,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:27:34,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:27:34,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7332c1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34, skipping insertion in model container [2019-11-07 00:27:34,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,411 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:27:34,428 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:27:34,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:27:34,601 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:27:34,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:27:34,626 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:27:34,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34 WrapperNode [2019-11-07 00:27:34,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:27:34,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:27:34,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:27:34,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:27:34,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (1/1) ... [2019-11-07 00:27:34,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:27:34,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:27:34,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:27:34,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:27:34,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:27:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:27:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:27:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 00:27:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2019-11-07 00:27:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2019-11-07 00:27:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:27:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:27:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 00:27:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2019-11-07 00:27:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2019-11-07 00:27:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:27:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:27:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:27:34,974 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:27:34,974 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:27:34,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:27:34 BoogieIcfgContainer [2019-11-07 00:27:34,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:27:34,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:27:34,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:27:34,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:27:34,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:27:34" (1/3) ... [2019-11-07 00:27:34,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff8875c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:27:34, skipping insertion in model container [2019-11-07 00:27:34,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:34" (2/3) ... [2019-11-07 00:27:34,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff8875c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:27:34, skipping insertion in model container [2019-11-07 00:27:34,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:27:34" (3/3) ... [2019-11-07 00:27:34,997 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2019-11-07 00:27:35,023 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:27:35,032 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:27:35,069 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:27:35,110 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:27:35,110 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:27:35,110 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:27:35,110 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:27:35,110 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:27:35,111 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:27:35,115 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:27:35,115 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:27:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-07 00:27:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-07 00:27:35,140 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:27:35,141 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:27:35,142 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:27:35,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:27:35,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1310527286, now seen corresponding path program 1 times [2019-11-07 00:27:35,155 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:27:35,156 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999361751] [2019-11-07 00:27:35,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:27:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:27:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:27:35,433 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999361751] [2019-11-07 00:27:35,434 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:27:35,435 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:27:35,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545138510] [2019-11-07 00:27:35,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:27:35,443 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:27:35,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:27:35,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:27:35,462 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 8 states. [2019-11-07 00:27:35,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:27:35,624 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-11-07 00:27:35,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:27:35,628 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-11-07 00:27:35,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:27:35,640 INFO L225 Difference]: With dead ends: 33 [2019-11-07 00:27:35,640 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:27:35,646 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:27:35,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:27:35,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:27:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:27:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:27:35,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-11-07 00:27:35,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:27:35,678 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:27:35,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:27:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:27:35,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:27:35,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:27:35,755 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:27:35,755 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:27:35,755 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:27:35,756 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:27:35,756 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 00:27:35,756 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:27:35,756 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:27:35,756 INFO L443 ceAbstractionStarter]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2019-11-07 00:27:35,757 INFO L446 ceAbstractionStarter]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2019-11-07 00:27:35,757 INFO L443 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. [2019-11-07 00:27:35,757 INFO L443 ceAbstractionStarter]: For program point abs_intFINAL(lines 16 25) no Hoare annotation was computed. [2019-11-07 00:27:35,758 INFO L439 ceAbstractionStarter]: At program point L30(line 30) the Hoare annotation is: (<= 3 ~p~0) [2019-11-07 00:27:35,758 INFO L443 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2019-11-07 00:27:35,758 INFO L446 ceAbstractionStarter]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: true [2019-11-07 00:27:35,758 INFO L443 ceAbstractionStarter]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2019-11-07 00:27:35,758 INFO L443 ceAbstractionStarter]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2019-11-07 00:27:35,759 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 33 36) the Hoare annotation is: true [2019-11-07 00:27:35,759 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2019-11-07 00:27:35,759 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2019-11-07 00:27:35,759 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2019-11-07 00:27:35,759 INFO L443 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-07 00:27:35,760 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2019-11-07 00:27:35,760 INFO L443 ceAbstractionStarter]: For program point L8(lines 8 11) no Hoare annotation was computed. [2019-11-07 00:27:35,760 INFO L443 ceAbstractionStarter]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2019-11-07 00:27:35,760 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-11-07 00:27:35,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:27:35 BoogieIcfgContainer [2019-11-07 00:27:35,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:27:35,773 INFO L168 Benchmark]: Toolchain (without parser) took 1377.22 ms. Allocated memory was 107.5 MB in the beginning and 153.1 MB in the end (delta: 45.6 MB). Free memory was 74.8 MB in the beginning and 91.4 MB in the end (delta: -16.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-11-07 00:27:35,775 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 107.5 MB. Free memory was 92.1 MB in the beginning and 92.0 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. [2019-11-07 00:27:35,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.14 ms. Allocated memory is still 107.5 MB. Free memory was 74.6 MB in the beginning and 65.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 00:27:35,780 INFO L168 Benchmark]: Boogie Preprocessor took 113.00 ms. Allocated memory was 107.5 MB in the beginning and 153.1 MB in the end (delta: 45.6 MB). Free memory was 65.4 MB in the beginning and 139.8 MB in the end (delta: -74.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-07 00:27:35,780 INFO L168 Benchmark]: RCFGBuilder took 234.82 ms. Allocated memory is still 153.1 MB. Free memory was 139.8 MB in the beginning and 129.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-11-07 00:27:35,782 INFO L168 Benchmark]: TraceAbstraction took 789.55 ms. Allocated memory is still 153.1 MB. Free memory was 128.5 MB in the beginning and 91.4 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-11-07 00:27:35,791 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 107.5 MB. Free memory was 92.1 MB in the beginning and 92.0 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 232.14 ms. Allocated memory is still 107.5 MB. Free memory was 74.6 MB in the beginning and 65.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.00 ms. Allocated memory was 107.5 MB in the beginning and 153.1 MB in the end (delta: 45.6 MB). Free memory was 65.4 MB in the beginning and 139.8 MB in the end (delta: -74.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.82 ms. Allocated memory is still 153.1 MB. Free memory was 139.8 MB in the beginning and 129.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 789.55 ms. Allocated memory is still 153.1 MB. Free memory was 128.5 MB in the beginning and 91.4 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 25 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 17 SDslu, 79 SDs, 0 SdLazy, 40 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 10 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 525 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...