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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:56:05,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:56:05,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:56:05,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:56:05,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:56:05,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:56:05,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:56:05,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:56:05,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:56:06,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:56:06,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:56:06,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:56:06,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:56:06,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:56:06,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:56:06,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:56:06,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:56:06,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:56:06,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:56:06,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:56:06,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:56:06,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:56:06,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:56:06,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:56:06,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:56:06,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:56:06,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:56:06,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:56:06,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:56:06,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:56:06,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:56:06,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:56:06,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:56:06,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:56:06,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:56:06,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:56:06,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:56:06,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:56:06,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:56:06,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:56:06,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:56:06,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:56:06,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:56:06,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:56:06,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:56:06,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:56:06,066 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:56:06,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:56:06,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:56:06,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:56:06,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:56:06,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:56:06,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:56:06,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:56:06,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:56:06,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:56:06,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:56:06,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:56:06,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:56:06,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:56:06,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:56:06,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:56:06,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:56:06,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:56:06,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:56:06,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:56:06,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:56:06,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:56:06,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:56:06,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:56:06,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:56:06,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:56:06,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:56:06,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:56:06,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:56:06,397 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:56:06,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2019-10-15 02:56:06,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7ca9900/78ccfab47d994c9e8c271f1c1d548944/FLAG5569c0405 [2019-10-15 02:56:06,986 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:56:06,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2019-10-15 02:56:06,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7ca9900/78ccfab47d994c9e8c271f1c1d548944/FLAG5569c0405 [2019-10-15 02:56:07,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7ca9900/78ccfab47d994c9e8c271f1c1d548944 [2019-10-15 02:56:07,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:56:07,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:56:07,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:56:07,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:56:07,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:56:07,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7a6519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07, skipping insertion in model container [2019-10-15 02:56:07,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,387 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:56:07,411 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:56:07,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:56:07,598 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:56:07,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:56:07,626 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:56:07,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07 WrapperNode [2019-10-15 02:56:07,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:56:07,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:56:07,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:56:07,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:56:07,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (1/1) ... [2019-10-15 02:56:07,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:56:07,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:56:07,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:56:07,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:56:07,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:56:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:56:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:56:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 02:56:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2019-10-15 02:56:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2019-10-15 02:56:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:56:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:56:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 02:56:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2019-10-15 02:56:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2019-10-15 02:56:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:56:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:56:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:56:08,018 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:56:08,019 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:56:08,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:56:08 BoogieIcfgContainer [2019-10-15 02:56:08,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:56:08,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:56:08,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:56:08,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:56:08,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:56:07" (1/3) ... [2019-10-15 02:56:08,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c137be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:56:08, skipping insertion in model container [2019-10-15 02:56:08,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:07" (2/3) ... [2019-10-15 02:56:08,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c137be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:56:08, skipping insertion in model container [2019-10-15 02:56:08,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:56:08" (3/3) ... [2019-10-15 02:56:08,032 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2019-10-15 02:56:08,043 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:56:08,052 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:56:08,066 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:56:08,103 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:56:08,104 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:56:08,104 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:56:08,104 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:56:08,104 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:56:08,104 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:56:08,104 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:56:08,105 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:56:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-10-15 02:56:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-15 02:56:08,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:08,132 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:56:08,134 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:08,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:08,141 INFO L82 PathProgramCache]: Analyzing trace with hash 583139389, now seen corresponding path program 1 times [2019-10-15 02:56:08,151 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:08,151 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088861223] [2019-10-15 02:56:08,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:08,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:08,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:56:08,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088861223] [2019-10-15 02:56:08,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:08,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 02:56:08,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555714243] [2019-10-15 02:56:08,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:56:08,396 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:08,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:56:08,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:56:08,409 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 7 states. [2019-10-15 02:56:08,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:08,516 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2019-10-15 02:56:08,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:56:08,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-10-15 02:56:08,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:08,526 INFO L225 Difference]: With dead ends: 30 [2019-10-15 02:56:08,527 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 02:56:08,535 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 02:56:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 02:56:08,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 02:56:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 02:56:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 02:56:08,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-10-15 02:56:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:08,561 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 02:56:08,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:56:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 02:56:08,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 02:56:08,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 02:56:08,602 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 02:56:08,603 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 02:56:08,603 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 02:56:08,603 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 02:56:08,603 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 02:56:08,603 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 02:56:08,604 INFO L443 ceAbstractionStarter]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2019-10-15 02:56:08,604 INFO L446 ceAbstractionStarter]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2019-10-15 02:56:08,604 INFO L439 ceAbstractionStarter]: At program point L30(line 30) the Hoare annotation is: (<= 3 ~p~0) [2019-10-15 02:56:08,604 INFO L443 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2019-10-15 02:56:08,605 INFO L446 ceAbstractionStarter]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: true [2019-10-15 02:56:08,605 INFO L443 ceAbstractionStarter]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2019-10-15 02:56:08,605 INFO L443 ceAbstractionStarter]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2019-10-15 02:56:08,605 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 33 36) the Hoare annotation is: true [2019-10-15 02:56:08,606 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2019-10-15 02:56:08,606 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2019-10-15 02:56:08,606 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2019-10-15 02:56:08,606 INFO L443 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-10-15 02:56:08,606 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2019-10-15 02:56:08,607 INFO L443 ceAbstractionStarter]: For program point L8(lines 8 11) no Hoare annotation was computed. [2019-10-15 02:56:08,607 INFO L443 ceAbstractionStarter]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2019-10-15 02:56:08,607 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-10-15 02:56:08,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:56:08 BoogieIcfgContainer [2019-10-15 02:56:08,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 02:56:08,614 INFO L168 Benchmark]: Toolchain (without parser) took 1245.74 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 135.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:08,615 INFO L168 Benchmark]: CDTParser took 1.37 ms. Allocated memory is still 138.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 02:56:08,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.28 ms. Allocated memory is still 138.9 MB. Free memory was 102.3 MB in the beginning and 93.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:08,617 INFO L168 Benchmark]: Boogie Preprocessor took 106.97 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 93.2 MB in the beginning and 181.3 MB in the end (delta: -88.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:08,618 INFO L168 Benchmark]: RCFGBuilder took 287.13 ms. Allocated memory is still 202.4 MB. Free memory was 181.3 MB in the beginning and 168.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:08,619 INFO L168 Benchmark]: TraceAbstraction took 587.73 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 135.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:08,623 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 ms. Allocated memory is still 138.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.28 ms. Allocated memory is still 138.9 MB. Free memory was 102.3 MB in the beginning and 93.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.97 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 93.2 MB in the beginning and 181.3 MB in the end (delta: -88.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 287.13 ms. Allocated memory is still 202.4 MB. Free memory was 181.3 MB in the beginning and 168.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 587.73 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 135.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 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, 22 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 14 SDslu, 57 SDs, 0 SdLazy, 23 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 10 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...