/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 -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:41:45,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:41:45,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:41:45,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:41:45,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:41:45,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:41:45,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:41:45,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:41:45,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:41:45,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:41:45,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:41:45,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:41:45,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:41:45,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:41:45,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:41:45,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:41:45,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:41:45,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:41:45,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:41:45,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:41:45,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:41:45,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:41:45,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:41:45,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:41:45,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:41:45,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:41:45,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:41:45,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:41:45,827 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 [2020-08-22 16:41:45,852 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:41:45,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:41:45,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:41:45,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:41:45,854 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:41:45,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:41:45,855 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:41:45,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:41:45,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:41:45,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:41:45,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:41:45,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:41:45,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:41:45,856 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:41:45,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:41:45,857 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:41:45,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:41:45,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:41:45,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:41:45,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:41:45,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:41:45,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:41:45,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:41:45,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:41:45,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:41:45,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:41:45,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:41:45,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:41:45,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:41:45,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:41:46,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:41:46,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:41:46,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:41:46,216 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:41:46,217 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:41:46,217 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-08-22 16:41:46,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0d07926/aaa14b0ceaea42048b06332063ca3fe3/FLAG3c152ff67 [2020-08-22 16:41:46,779 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:41:46,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-08-22 16:41:46,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0d07926/aaa14b0ceaea42048b06332063ca3fe3/FLAG3c152ff67 [2020-08-22 16:41:47,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0d07926/aaa14b0ceaea42048b06332063ca3fe3 [2020-08-22 16:41:47,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:41:47,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:41:47,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:41:47,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:41:47,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:41:47,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c8aa76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47, skipping insertion in model container [2020-08-22 16:41:47,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:41:47,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:41:47,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:41:47,382 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:41:47,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:41:47,416 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:41:47,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47 WrapperNode [2020-08-22 16:41:47,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:41:47,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:41:47,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:41:47,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:41:47,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (1/1) ... [2020-08-22 16:41:47,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:41:47,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:41:47,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:41:47,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:41:47,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (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 [2020-08-22 16:41:47,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:41:47,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:41:47,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-22 16:41:47,612 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-08-22 16:41:47,612 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-08-22 16:41:47,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:41:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:41:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-22 16:41:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-08-22 16:41:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-08-22 16:41:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:41:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:41:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:41:47,775 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:41:47,775 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 16:41:47,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:41:47 BoogieIcfgContainer [2020-08-22 16:41:47,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:41:47,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:41:47,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:41:47,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:41:47,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:41:47" (1/3) ... [2020-08-22 16:41:47,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d48ae35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:41:47, skipping insertion in model container [2020-08-22 16:41:47,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:47" (2/3) ... [2020-08-22 16:41:47,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d48ae35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:41:47, skipping insertion in model container [2020-08-22 16:41:47,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:41:47" (3/3) ... [2020-08-22 16:41:47,788 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.c_1.i [2020-08-22 16:41:47,798 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:41:47,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:41:47,821 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:41:47,845 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:41:47,846 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:41:47,846 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:41:47,846 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:41:47,846 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:41:47,846 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:41:47,846 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:41:47,847 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:41:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-22 16:41:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-22 16:41:47,872 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:41:47,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:41:47,874 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:41:47,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:41:47,880 INFO L82 PathProgramCache]: Analyzing trace with hash 2008850771, now seen corresponding path program 1 times [2020-08-22 16:41:47,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:41:47,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116066711] [2020-08-22 16:41:47,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:41:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:41:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:41:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:41:48,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:41:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:41:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:41:48,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116066711] [2020-08-22 16:41:48,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:41:48,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:41:48,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532759187] [2020-08-22 16:41:48,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 16:41:48,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:41:48,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 16:41:48,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:41:48,219 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 7 states. [2020-08-22 16:41:48,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:41:48,386 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-08-22 16:41:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:41:48,388 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-08-22 16:41:48,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:41:48,396 INFO L225 Difference]: With dead ends: 30 [2020-08-22 16:41:48,396 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:41:48,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:41:48,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:41:48,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:41:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:41:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:41:48,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-08-22 16:41:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:41:48,425 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:41:48,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 16:41:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:41:48,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:41:48,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:41:48,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:41:48,474 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:41:48,475 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-22 16:41:48,475 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:41:48,476 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2020-08-22 16:41:48,476 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 5 8) no Hoare annotation was computed. [2020-08-22 16:41:48,476 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 5 8) no Hoare annotation was computed. [2020-08-22 16:41:48,478 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 5 8) the Hoare annotation is: true [2020-08-22 16:41:48,478 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:41:48,478 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 16:41:48,479 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:41:48,479 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:41:48,479 INFO L268 CegarLoopResult]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-08-22 16:41:48,479 INFO L268 CegarLoopResult]: For program point abs_intEXIT(lines 15 24) no Hoare annotation was computed. [2020-08-22 16:41:48,479 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 15 24) the Hoare annotation is: true [2020-08-22 16:41:48,480 INFO L268 CegarLoopResult]: For program point abs_intFINAL(lines 15 24) no Hoare annotation was computed. [2020-08-22 16:41:48,480 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-08-22 16:41:48,480 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 16:41:48,480 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 26 30) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-22 16:41:48,481 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: false [2020-08-22 16:41:48,481 INFO L268 CegarLoopResult]: For program point L29-3(lines 26 30) no Hoare annotation was computed. [2020-08-22 16:41:48,481 INFO L268 CegarLoopResult]: For program point firstFunctionEXIT(lines 26 30) no Hoare annotation was computed. [2020-08-22 16:41:48,481 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 32 35) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-22 16:41:48,481 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 32 35) no Hoare annotation was computed. [2020-08-22 16:41:48,482 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 32 35) no Hoare annotation was computed. [2020-08-22 16:41:48,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:41:48 BoogieIcfgContainer [2020-08-22 16:41:48,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:41:48,495 INFO L168 Benchmark]: Toolchain (without parser) took 1314.19 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 102.5 MB in the beginning and 129.1 MB in the end (delta: -26.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:41:48,498 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-22 16:41:48,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.88 ms. Allocated memory is still 146.3 MB. Free memory was 102.3 MB in the beginning and 93.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:41:48,501 INFO L168 Benchmark]: Boogie Preprocessor took 118.15 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 93.1 MB in the beginning and 181.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:41:48,502 INFO L168 Benchmark]: RCFGBuilder took 242.86 ms. Allocated memory is still 202.4 MB. Free memory was 181.4 MB in the beginning and 169.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:41:48,504 INFO L168 Benchmark]: TraceAbstraction took 710.64 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 129.1 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:41:48,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.88 ms. Allocated memory is still 146.3 MB. Free memory was 102.3 MB in the beginning and 93.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.15 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 93.1 MB in the beginning and 181.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 242.86 ms. Allocated memory is still 202.4 MB. Free memory was 181.4 MB in the beginning and 169.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 710.64 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 129.1 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: 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, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 13 SDslu, 43 SDs, 0 SdLazy, 33 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 14 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 644 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...