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/locks/test_locks_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:28:40,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:28:40,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:28:40,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:28:40,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:28:40,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:28:40,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:28:40,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:28:40,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:28:40,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:28:40,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:28:40,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:28:40,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:28:40,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:28:40,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:28:40,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:28:40,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:28:40,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:28:40,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:28:40,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:28:40,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:28:40,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:28:40,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:28:40,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:28:40,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:28:40,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:28:40,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:28:40,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:28:40,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:28:40,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:28:40,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:28:40,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:28:40,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:28:40,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:28:40,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:28:40,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:28:40,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:28:40,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:28:40,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:28:40,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:28:40,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:28:40,443 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 [2019-10-07 13:28:40,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:28:40,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:28:40,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:28:40,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:28:40,468 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:28:40,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:28:40,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:28:40,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:28:40,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:28:40,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:28:40,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:28:40,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:28:40,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:28:40,473 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:28:40,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:28:40,474 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:28:40,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:28:40,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:28:40,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:28:40,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:28:40,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:28:40,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:28:40,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:28:40,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:28:40,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:28:40,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:28:40,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:28:40,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:28:40,480 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 [2019-10-07 13:28:40,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:28:40,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:28:40,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:28:40,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:28:40,775 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:28:40,776 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-1.c [2019-10-07 13:28:40,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c082ca38/0dc2924aeb22457fbf56b2b47e8bcbe4/FLAGb3a01c76c [2019-10-07 13:28:41,337 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:28:41,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_15-1.c [2019-10-07 13:28:41,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c082ca38/0dc2924aeb22457fbf56b2b47e8bcbe4/FLAGb3a01c76c [2019-10-07 13:28:41,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c082ca38/0dc2924aeb22457fbf56b2b47e8bcbe4 [2019-10-07 13:28:41,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:28:41,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:28:41,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:28:41,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:28:41,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:28:41,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:28:41" (1/1) ... [2019-10-07 13:28:41,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11574e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:41, skipping insertion in model container [2019-10-07 13:28:41,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:28:41" (1/1) ... [2019-10-07 13:28:41,729 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:28:41,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:28:42,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:28:42,054 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:28:42,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:28:42,205 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:28:42,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42 WrapperNode [2019-10-07 13:28:42,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:28:42,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:28:42,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:28:42,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:28:42,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (1/1) ... [2019-10-07 13:28:42,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (1/1) ... [2019-10-07 13:28:42,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (1/1) ... [2019-10-07 13:28:42,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (1/1) ... [2019-10-07 13:28:42,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (1/1) ... [2019-10-07 13:28:42,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (1/1) ... [2019-10-07 13:28:42,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (1/1) ... [2019-10-07 13:28:42,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:28:42,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:28:42,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:28:42,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:28:42,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (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 [2019-10-07 13:28:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:28:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:28:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:28:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:28:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 13:28:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:28:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:28:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:28:42,985 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:28:42,986 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 13:28:42,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:28:42 BoogieIcfgContainer [2019-10-07 13:28:42,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:28:42,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:28:42,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:28:42,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:28:42,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:28:41" (1/3) ... [2019-10-07 13:28:42,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e84b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:28:42, skipping insertion in model container [2019-10-07 13:28:42,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:42" (2/3) ... [2019-10-07 13:28:42,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e84b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:28:42, skipping insertion in model container [2019-10-07 13:28:42,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:28:42" (3/3) ... [2019-10-07 13:28:43,005 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c [2019-10-07 13:28:43,014 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:28:43,021 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:28:43,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:28:43,058 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:28:43,059 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:28:43,059 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:28:43,059 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:28:43,060 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:28:43,060 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:28:43,060 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:28:43,060 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:28:43,077 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-10-07 13:28:43,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-07 13:28:43,084 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:28:43,085 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:28:43,087 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:28:43,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:28:43,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1439933214, now seen corresponding path program 1 times [2019-10-07 13:28:43,103 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:28:43,103 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:43,103 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:43,104 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:28:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-07 13:28:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-07 13:28:43,305 INFO L161 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-07 13:28:43,306 INFO L451 BasicCegarLoop]: Counterexample might be feasible [2019-10-07 13:28:43,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 01:28:43 BoogieIcfgContainer [2019-10-07 13:28:43,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 13:28:43,345 INFO L168 Benchmark]: Toolchain (without parser) took 1631.86 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 113.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:43,346 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 13:28:43,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.70 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 181.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:43,348 INFO L168 Benchmark]: Boogie Preprocessor took 48.12 ms. Allocated memory is still 202.4 MB. Free memory was 181.6 MB in the beginning and 179.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:43,349 INFO L168 Benchmark]: RCFGBuilder took 733.75 ms. Allocated memory is still 202.4 MB. Free memory was 179.2 MB in the beginning and 130.5 MB in the end (delta: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:43,351 INFO L168 Benchmark]: TraceAbstraction took 352.40 ms. Allocated memory is still 202.4 MB. Free memory was 129.8 MB in the beginning and 113.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:43,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 492.70 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 181.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.12 ms. Allocated memory is still 202.4 MB. Free memory was 181.6 MB in the beginning and 179.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 733.75 ms. Allocated memory is still 202.4 MB. Free memory was 179.2 MB in the beginning and 130.5 MB in the end (delta: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 352.40 ms. Allocated memory is still 202.4 MB. Free memory was 129.8 MB in the beginning and 113.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 231]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] int p1 = __VERIFIER_nondet_int(); [L7] int lk1; [L9] int p2 = __VERIFIER_nondet_int(); [L10] int lk2; [L12] int p3 = __VERIFIER_nondet_int(); [L13] int lk3; [L15] int p4 = __VERIFIER_nondet_int(); [L16] int lk4; [L18] int p5 = __VERIFIER_nondet_int(); [L19] int lk5; [L21] int p6 = __VERIFIER_nondet_int(); [L22] int lk6; [L24] int p7 = __VERIFIER_nondet_int(); [L25] int lk7; [L27] int p8 = __VERIFIER_nondet_int(); [L28] int lk8; [L30] int p9 = __VERIFIER_nondet_int(); [L31] int lk9; [L33] int p10 = __VERIFIER_nondet_int(); [L34] int lk10; [L36] int p11 = __VERIFIER_nondet_int(); [L37] int lk11; [L39] int p12 = __VERIFIER_nondet_int(); [L40] int lk12; [L42] int p13 = __VERIFIER_nondet_int(); [L43] int lk13; [L45] int p14 = __VERIFIER_nondet_int(); [L46] int lk14; [L48] int p15 = __VERIFIER_nondet_int(); [L49] int lk15; [L52] int cond; VAL [p1=0, p10=1, p11=0, p12=3, p13=1, p14=1, p15=3, p2=0, p3=0, p4=1, p5=0, p6=0, p7=1, p8=0, p9=3] [L54] COND TRUE 1 [L55] cond = __VERIFIER_nondet_int() [L56] COND FALSE !(cond == 0) [L59] lk1 = 0 [L61] lk2 = 0 [L63] lk3 = 0 [L65] lk4 = 0 [L67] lk5 = 0 [L69] lk6 = 0 [L71] lk7 = 0 [L73] lk8 = 0 [L75] lk9 = 0 [L77] lk10 = 0 [L79] lk11 = 0 [L81] lk12 = 0 [L83] lk13 = 0 [L85] lk14 = 0 [L87] lk15 = 0 [L91] COND FALSE !(p1 != 0) [L95] COND FALSE !(p2 != 0) [L99] COND FALSE !(p3 != 0) [L103] COND TRUE p4 != 0 [L104] lk4 = 1 [L107] COND FALSE !(p5 != 0) [L111] COND FALSE !(p6 != 0) [L115] COND TRUE p7 != 0 [L116] lk7 = 1 [L119] COND FALSE !(p8 != 0) [L123] COND TRUE p9 != 0 [L124] lk9 = 1 [L127] COND TRUE p10 != 0 [L128] lk10 = 1 [L131] COND FALSE !(p11 != 0) [L135] COND TRUE p12 != 0 [L136] lk12 = 1 [L139] COND TRUE p13 != 0 [L140] lk13 = 1 [L143] COND TRUE p14 != 0 [L144] lk14 = 1 [L147] COND TRUE p15 != 0 [L148] lk15 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=0, p12=3, p13=1, p14=1, p15=3, p2=0, p3=0, p4=1, p5=0, p6=0, p7=1, p8=0, p9=3] [L153] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=0, p12=3, p13=1, p14=1, p15=3, p2=0, p3=0, p4=1, p5=0, p6=0, p7=1, p8=0, p9=3] [L158] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=0, p12=3, p13=1, p14=1, p15=3, p2=0, p3=0, p4=1, p5=0, p6=0, p7=1, p8=0, p9=3] [L231] __VERIFIER_error() VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=0, p12=3, p13=1, p14=1, p15=3, p2=0, p3=0, p4=1, p5=0, p6=0, p7=1, p8=0, p9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 incorrect! Received shutdown request...