/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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:28:26,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:28:26,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:28:26,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:28:26,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:28:26,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:28:26,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:28:26,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:28:26,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:28:26,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:28:26,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:28:26,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:28:26,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:28:26,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:28:26,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:28:26,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:28:26,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:28:26,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:28:26,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:28:26,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:28:26,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:28:26,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:28:26,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:28:26,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:28:26,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:28:26,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:28:26,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:28:26,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:28:26,941 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 [2020-09-04 13:28:26,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:28:26,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:28:26,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:28:26,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:28:26,995 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:28:26,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:28:26,995 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:28:26,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:28:26,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:28:26,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:28:26,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:28:26,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:28:26,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:28:26,998 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:28:26,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:28:26,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:28:26,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:28:27,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:28:27,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:28:27,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:28:27,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:28:27,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:28:27,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:28:27,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:28:27,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:28:27,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:28:27,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:28:27,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:28:27,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:28:27,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:28:27,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:28:27,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:28:27,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:28:27,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:28:27,509 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:28:27,510 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2020-09-04 13:28:27,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc19e43e5/fc93e4e8e79a47bea969fd15b6335738/FLAG275b65174 [2020-09-04 13:28:28,139 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:28:28,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/oomInt.i [2020-09-04 13:28:28,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc19e43e5/fc93e4e8e79a47bea969fd15b6335738/FLAG275b65174 [2020-09-04 13:28:28,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc19e43e5/fc93e4e8e79a47bea969fd15b6335738 [2020-09-04 13:28:28,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:28:28,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:28:28,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:28:28,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:28:28,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:28:28,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4694b766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28, skipping insertion in model container [2020-09-04 13:28:28,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:28:28,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:28:28,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:28:28,789 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:28:28,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:28:28,822 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:28:28,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28 WrapperNode [2020-09-04 13:28:28,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:28:28,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:28:28,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:28:28,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:28:28,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (1/1) ... [2020-09-04 13:28:28,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:28:28,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:28:28,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:28:28,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:28:28,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (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 [2020-09-04 13:28:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:28:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:28:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 13:28:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-09-04 13:28:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-09-04 13:28:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:28:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:28:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 13:28:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-09-04 13:28:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-09-04 13:28:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:28:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:28:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:28:29,221 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:28:29,221 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 13:28:29,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:28:29 BoogieIcfgContainer [2020-09-04 13:28:29,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:28:29,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:28:29,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:28:29,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:28:29,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:28:28" (1/3) ... [2020-09-04 13:28:29,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241e43f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:28:29, skipping insertion in model container [2020-09-04 13:28:29,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:28:28" (2/3) ... [2020-09-04 13:28:29,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241e43f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:28:29, skipping insertion in model container [2020-09-04 13:28:29,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:28:29" (3/3) ... [2020-09-04 13:28:29,264 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2020-09-04 13:28:29,299 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:28:29,320 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:28:29,361 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:28:29,393 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:28:29,394 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:28:29,394 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:28:29,394 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:28:29,394 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:28:29,394 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:28:29,395 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:28:29,395 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:28:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-09-04 13:28:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-04 13:28:29,421 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:28:29,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:28:29,423 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:28:29,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:28:29,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1310527286, now seen corresponding path program 1 times [2020-09-04 13:28:29,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:28:29,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614869199] [2020-09-04 13:28:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:28:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:28:29,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:28:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:28:29,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 13:28:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:28:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:28:29,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614869199] [2020-09-04 13:28:29,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:28:29,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 13:28:29,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595587989] [2020-09-04 13:28:29,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 13:28:29,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:28:29,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 13:28:29,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:28:29,861 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 9 states. [2020-09-04 13:28:30,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:28:30,176 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2020-09-04 13:28:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:28:30,180 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-09-04 13:28:30,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:28:30,193 INFO L225 Difference]: With dead ends: 33 [2020-09-04 13:28:30,194 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:28:30,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-04 13:28:30,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:28:30,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:28:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:28:30,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:28:30,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-09-04 13:28:30,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:28:30,237 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:28:30,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 13:28:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:28:30,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:28:30,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:28:30,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:28:30,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:28:30,321 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-04 13:28:30,322 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:28:30,322 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:28:30,322 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 13:28:30,322 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:28:30,322 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:28:30,323 INFO L268 CegarLoopResult]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2020-09-04 13:28:30,323 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2020-09-04 13:28:30,323 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-09-04 13:28:30,323 INFO L268 CegarLoopResult]: For program point abs_intFINAL(lines 16 25) no Hoare annotation was computed. [2020-09-04 13:28:30,323 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (<= 1 ~p~0) [2020-09-04 13:28:30,324 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-04 13:28:30,324 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-04 13:28:30,324 INFO L268 CegarLoopResult]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2020-09-04 13:28:30,324 INFO L268 CegarLoopResult]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2020-09-04 13:28:30,324 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 33 36) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-04 13:28:30,324 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2020-09-04 13:28:30,325 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2020-09-04 13:28:30,325 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2020-09-04 13:28:30,325 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-04 13:28:30,325 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2020-09-04 13:28:30,326 INFO L268 CegarLoopResult]: For program point L8(lines 8 11) no Hoare annotation was computed. [2020-09-04 13:28:30,326 INFO L268 CegarLoopResult]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2020-09-04 13:28:30,326 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2020-09-04 13:28:30,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:28:30 BoogieIcfgContainer [2020-09-04 13:28:30,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:28:30,341 INFO L168 Benchmark]: Toolchain (without parser) took 1823.17 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 104.5 MB in the beginning and 119.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2020-09-04 13:28:30,344 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-09-04 13:28:30,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.01 ms. Allocated memory is still 146.3 MB. Free memory was 104.1 MB in the beginning and 95.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:28:30,348 INFO L168 Benchmark]: Boogie Preprocessor took 28.22 ms. Allocated memory is still 146.3 MB. Free memory was 95.0 MB in the beginning and 93.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-04 13:28:30,349 INFO L168 Benchmark]: RCFGBuilder took 374.54 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 93.7 MB in the beginning and 171.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:28:30,350 INFO L168 Benchmark]: TraceAbstraction took 1105.37 ms. Allocated memory is still 203.4 MB. Free memory was 170.8 MB in the beginning and 119.4 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:28:30,362 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.01 ms. Allocated memory is still 146.3 MB. Free memory was 104.1 MB in the beginning and 95.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.22 ms. Allocated memory is still 146.3 MB. Free memory was 95.0 MB in the beginning and 93.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.54 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 93.7 MB in the beginning and 171.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1105.37 ms. Allocated memory is still 203.4 MB. Free memory was 170.8 MB in the beginning and 119.4 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 24 SDslu, 71 SDs, 0 SdLazy, 58 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 16 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 795 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...