/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST -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 0.1.25-5644d1e-m [2020-08-18 21:07:21,430 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 21:07:21,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:07:21,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:07:21,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:07:21,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:07:21,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:07:21,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:07:21,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:07:21,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:07:21,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:07:21,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:07:21,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:07:21,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:07:21,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 21:07:21,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:07:21,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:07:21,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:07:21,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 21:07:21,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:07:21,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:07:21,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:07:21,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:07:21,520 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:07:21,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:07:21,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:07:21,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:07:21,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:07:21,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:07:21,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:07:21,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:07:21,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:07:21,522 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:07:21,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:07:21,522 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:07:21,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:07:21,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:07:21,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:07:21,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:07:21,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:07:21,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:07:21,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:07:21,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:07:21,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:07:21,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:07:21,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:07:21,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:07:21,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:07:21,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 21:07:21,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:07:21,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:07:21,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:07:21,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:07:21,843 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:07:21,844 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-08-18 21:07:21,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6453ed2b/cc66774700ef46d0ad553d158347558c/FLAG693c16a43 [2020-08-18 21:07:22,360 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:07:22,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-08-18 21:07:22,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6453ed2b/cc66774700ef46d0ad553d158347558c/FLAG693c16a43 [2020-08-18 21:07:22,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6453ed2b/cc66774700ef46d0ad553d158347558c [2020-08-18 21:07:22,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:07:22,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:07:22,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:07:22,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:07:22,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:07:22,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:07:22" (1/1) ... [2020-08-18 21:07:22,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1272b3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:22, skipping insertion in model container [2020-08-18 21:07:22,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:07:22" (1/1) ... [2020-08-18 21:07:22,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:07:22,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:07:22,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:07:22,980 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:07:22,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:07:23,012 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:07:23,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23 WrapperNode [2020-08-18 21:07:23,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:07:23,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:07:23,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:07:23,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:07:23,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (1/1) ... [2020-08-18 21:07:23,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (1/1) ... [2020-08-18 21:07:23,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (1/1) ... [2020-08-18 21:07:23,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (1/1) ... [2020-08-18 21:07:23,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (1/1) ... [2020-08-18 21:07:23,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (1/1) ... [2020-08-18 21:07:23,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (1/1) ... [2020-08-18 21:07:23,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:07:23,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:07:23,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:07:23,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:07:23,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 21:07:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:07:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:07:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-18 21:07:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-08-18 21:07:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-08-18 21:07:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:07:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:07:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-18 21:07:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-08-18 21:07:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-08-18 21:07:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:07:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:07:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:07:23,384 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:07:23,385 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 21:07:23,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:07:23 BoogieIcfgContainer [2020-08-18 21:07:23,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:07:23,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:07:23,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:07:23,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:07:23,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:07:22" (1/3) ... [2020-08-18 21:07:23,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1f6160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:07:23, skipping insertion in model container [2020-08-18 21:07:23,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:07:23" (2/3) ... [2020-08-18 21:07:23,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1f6160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:07:23, skipping insertion in model container [2020-08-18 21:07:23,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:07:23" (3/3) ... [2020-08-18 21:07:23,398 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.c_1.i [2020-08-18 21:07:23,409 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:07:23,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:07:23,432 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:07:23,457 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:07:23,457 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:07:23,457 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:07:23,457 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:07:23,457 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:07:23,458 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:07:23,458 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:07:23,458 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:07:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-18 21:07:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-18 21:07:23,484 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:07:23,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:07:23,486 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:07:23,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:07:23,492 INFO L82 PathProgramCache]: Analyzing trace with hash 2008850771, now seen corresponding path program 1 times [2020-08-18 21:07:23,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:07:23,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750391226] [2020-08-18 21:07:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:07:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:07:23,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:07:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:07:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:07:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:07:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:07:23,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750391226] [2020-08-18 21:07:23,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:07:23,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:07:23,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056561868] [2020-08-18 21:07:23,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:07:23,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:07:23,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:07:23,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:07:23,826 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 7 states. [2020-08-18 21:07:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:07:24,085 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-08-18 21:07:24,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:07:24,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-08-18 21:07:24,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:07:24,095 INFO L225 Difference]: With dead ends: 30 [2020-08-18 21:07:24,095 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:07:24,099 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 [2020-08-18 21:07:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:07:24,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:07:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:07:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:07:24,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-08-18 21:07:24,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:07:24,128 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:07:24,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:07:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:07:24,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:07:24,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:07:24,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:07:24,166 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:07:24,166 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-18 21:07:24,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:07:24,167 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2020-08-18 21:07:24,167 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 5 8) no Hoare annotation was computed. [2020-08-18 21:07:24,167 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 5 8) no Hoare annotation was computed. [2020-08-18 21:07:24,168 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 5 8) the Hoare annotation is: true [2020-08-18 21:07:24,168 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:07:24,168 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-18 21:07:24,168 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:07:24,169 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:07:24,169 INFO L268 CegarLoopResult]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-08-18 21:07:24,169 INFO L268 CegarLoopResult]: For program point abs_intEXIT(lines 15 24) no Hoare annotation was computed. [2020-08-18 21:07:24,169 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 15 24) the Hoare annotation is: true [2020-08-18 21:07:24,170 INFO L268 CegarLoopResult]: For program point abs_intFINAL(lines 15 24) no Hoare annotation was computed. [2020-08-18 21:07:24,170 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-08-18 21:07:24,170 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 21:07:24,170 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 26 30) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-18 21:07:24,171 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: false [2020-08-18 21:07:24,171 INFO L268 CegarLoopResult]: For program point L29-3(lines 26 30) no Hoare annotation was computed. [2020-08-18 21:07:24,171 INFO L268 CegarLoopResult]: For program point firstFunctionEXIT(lines 26 30) no Hoare annotation was computed. [2020-08-18 21:07:24,171 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 32 35) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-18 21:07:24,171 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 32 35) no Hoare annotation was computed. [2020-08-18 21:07:24,172 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 32 35) no Hoare annotation was computed. [2020-08-18 21:07:24,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:07:24 BoogieIcfgContainer [2020-08-18 21:07:24,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:07:24,182 INFO L168 Benchmark]: Toolchain (without parser) took 1417.99 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 103.8 MB in the beginning and 129.2 MB in the end (delta: -25.5 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2020-08-18 21:07:24,183 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 21:07:24,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.07 ms. Allocated memory is still 140.5 MB. Free memory was 103.6 MB in the beginning and 94.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-08-18 21:07:24,185 INFO L168 Benchmark]: Boogie Preprocessor took 107.17 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 94.3 MB in the beginning and 182.8 MB in the end (delta: -88.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-08-18 21:07:24,186 INFO L168 Benchmark]: RCFGBuilder took 267.54 ms. Allocated memory is still 202.9 MB. Free memory was 182.8 MB in the beginning and 169.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:07:24,187 INFO L168 Benchmark]: TraceAbstraction took 788.29 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 129.2 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-08-18 21:07:24,191 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.07 ms. Allocated memory is still 140.5 MB. Free memory was 103.6 MB in the beginning and 94.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.17 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 94.3 MB in the beginning and 182.8 MB in the end (delta: -88.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 267.54 ms. Allocated memory is still 202.9 MB. Free memory was 182.8 MB in the beginning and 169.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 788.29 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 129.2 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, 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, 0.1s 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, 0.1s 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...