/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 -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 [2020-08-19 01:58:28,342 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 01:58:28,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 01:58:28,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 01:58:28,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 01:58:28,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 01:58:28,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 01:58:28,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 01:58:28,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 01:58:28,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 01:58:28,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 01:58:28,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 01:58:28,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 01:58:28,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 01:58:28,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 01:58:28,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 01:58:28,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 01:58:28,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 01:58:28,410 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 [2020-08-19 01:58:28,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 01:58:28,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 01:58:28,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 01:58:28,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 01:58:28,443 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 01:58:28,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 01:58:28,443 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 01:58:28,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 01:58:28,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 01:58:28,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 01:58:28,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 01:58:28,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 01:58:28,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 01:58:28,444 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 01:58:28,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 01:58:28,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 01:58:28,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 01:58:28,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 01:58:28,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 01:58:28,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 01:58:28,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 01:58:28,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 01:58:28,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 01:58:28,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 01:58:28,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 01:58:28,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 01:58:28,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 01:58:28,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 01:58:28,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 01:58:28,450 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=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; [2020-08-19 01:58:28,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 01:58:28,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 01:58:28,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 01:58:28,763 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 01:58:28,763 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 01:58:28,764 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-08-19 01:58:28,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05a40b9e4/0fd3a800c7d6482aa7edbad7891bf900/FLAG6a2d18f01 [2020-08-19 01:58:29,291 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 01:58:29,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2020-08-19 01:58:29,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05a40b9e4/0fd3a800c7d6482aa7edbad7891bf900/FLAG6a2d18f01 [2020-08-19 01:58:29,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05a40b9e4/0fd3a800c7d6482aa7edbad7891bf900 [2020-08-19 01:58:29,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 01:58:29,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 01:58:29,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 01:58:29,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 01:58:29,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 01:58:29,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236d82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29, skipping insertion in model container [2020-08-19 01:58:29,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 01:58:29,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 01:58:29,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:58:29,883 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 01:58:29,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:58:29,913 INFO L208 MainTranslator]: Completed translation [2020-08-19 01:58:29,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29 WrapperNode [2020-08-19 01:58:29,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 01:58:29,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 01:58:29,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 01:58:29,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 01:58:29,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (1/1) ... [2020-08-19 01:58:29,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 01:58:29,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 01:58:29,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 01:58:29,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 01:58:29,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (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 [2020-08-19 01:58:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 01:58:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 01:58:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-19 01:58:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-08-19 01:58:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-08-19 01:58:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 01:58:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 01:58:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-19 01:58:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-08-19 01:58:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-08-19 01:58:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 01:58:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 01:58:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 01:58:30,265 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 01:58:30,265 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 01:58:30,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:58:30 BoogieIcfgContainer [2020-08-19 01:58:30,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 01:58:30,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 01:58:30,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 01:58:30,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 01:58:30,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 01:58:29" (1/3) ... [2020-08-19 01:58:30,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a40322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:58:30, skipping insertion in model container [2020-08-19 01:58:30,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:58:29" (2/3) ... [2020-08-19 01:58:30,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a40322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:58:30, skipping insertion in model container [2020-08-19 01:58:30,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:58:30" (3/3) ... [2020-08-19 01:58:30,282 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.c_1.i [2020-08-19 01:58:30,292 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 01:58:30,299 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 01:58:30,313 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 01:58:30,336 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 01:58:30,336 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 01:58:30,337 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 01:58:30,337 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 01:58:30,337 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 01:58:30,337 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 01:58:30,337 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 01:58:30,337 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 01:58:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-19 01:58:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-19 01:58:30,387 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:58:30,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:58:30,389 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:58:30,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:58:30,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2008850771, now seen corresponding path program 1 times [2020-08-19 01:58:30,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:58:30,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825780651] [2020-08-19 01:58:30,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:58:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:58:30,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:58:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:58:30,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:58:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:58:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:58:30,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825780651] [2020-08-19 01:58:30,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:58:30,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 01:58:30,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681725656] [2020-08-19 01:58:30,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 01:58:30,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:58:30,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 01:58:30,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-19 01:58:30,794 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 7 states. [2020-08-19 01:58:30,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:58:30,972 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-08-19 01:58:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 01:58:30,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-08-19 01:58:30,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:58:30,981 INFO L225 Difference]: With dead ends: 30 [2020-08-19 01:58:30,981 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 01:58:30,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:58:31,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 01:58:31,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 01:58:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 01:58:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 01:58:31,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-08-19 01:58:31,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:58:31,009 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 01:58:31,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 01:58:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 01:58:31,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 01:58:31,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 01:58:31,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 01:58:31,054 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:58:31,054 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-19 01:58:31,055 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:58:31,055 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2020-08-19 01:58:31,055 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 5 8) no Hoare annotation was computed. [2020-08-19 01:58:31,055 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 5 8) no Hoare annotation was computed. [2020-08-19 01:58:31,057 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 5 8) the Hoare annotation is: true [2020-08-19 01:58:31,057 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:58:31,058 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-19 01:58:31,058 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 01:58:31,058 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:58:31,059 INFO L268 CegarLoopResult]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-08-19 01:58:31,059 INFO L268 CegarLoopResult]: For program point abs_intEXIT(lines 15 24) no Hoare annotation was computed. [2020-08-19 01:58:31,059 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 15 24) the Hoare annotation is: true [2020-08-19 01:58:31,059 INFO L268 CegarLoopResult]: For program point abs_intFINAL(lines 15 24) no Hoare annotation was computed. [2020-08-19 01:58:31,059 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-08-19 01:58:31,060 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-19 01:58:31,060 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 26 30) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-19 01:58:31,060 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: false [2020-08-19 01:58:31,060 INFO L268 CegarLoopResult]: For program point L29-3(lines 26 30) no Hoare annotation was computed. [2020-08-19 01:58:31,060 INFO L268 CegarLoopResult]: For program point firstFunctionEXIT(lines 26 30) no Hoare annotation was computed. [2020-08-19 01:58:31,061 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 32 35) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-19 01:58:31,061 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 32 35) no Hoare annotation was computed. [2020-08-19 01:58:31,062 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 32 35) no Hoare annotation was computed. [2020-08-19 01:58:31,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 01:58:31 BoogieIcfgContainer [2020-08-19 01:58:31,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 01:58:31,076 INFO L168 Benchmark]: Toolchain (without parser) took 1395.46 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.2 MB in the beginning and 129.3 MB in the end (delta: -26.1 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2020-08-19 01:58:31,079 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 01:58:31,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.92 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 93.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-19 01:58:31,082 INFO L168 Benchmark]: Boogie Preprocessor took 28.32 ms. Allocated memory is still 140.0 MB. Free memory was 93.7 MB in the beginning and 92.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-08-19 01:58:31,084 INFO L168 Benchmark]: RCFGBuilder took 326.72 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 92.4 MB in the beginning and 170.5 MB in the end (delta: -78.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-08-19 01:58:31,085 INFO L168 Benchmark]: TraceAbstraction took 799.49 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 129.3 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2020-08-19 01:58:31,097 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.92 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 93.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.32 ms. Allocated memory is still 140.0 MB. Free memory was 93.7 MB in the beginning and 92.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.72 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 92.4 MB in the beginning and 170.5 MB in the end (delta: -78.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 799.49 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 129.3 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s 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...