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/test21-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:35:00,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:35:00,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:35:00,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:35:00,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:35:00,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:35:00,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:35:00,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:35:00,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:35:00,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:35:00,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:35:00,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:35:00,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:35:00,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:35:00,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:35:00,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:35:00,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:35:00,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:35:00,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:35:00,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:35:00,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:35:00,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:35:00,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:35:00,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:35:00,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:35:00,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:35:00,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:35:00,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:35:00,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:35:00,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:35:00,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:35:00,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:35:00,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:35:00,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:35:00,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:35:00,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:35:00,399 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 [2019-09-08 01:35:00,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:35:00,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:35:00,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:35:00,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:35:00,415 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:35:00,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:35:00,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:35:00,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:35:00,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:35:00,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:35:00,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:35:00,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:35:00,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:35:00,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:35:00,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:35:00,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:35:00,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:35:00,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:35:00,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:35:00,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:35:00,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:35:00,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:35:00,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:35:00,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:35:00,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:35:00,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:35:00,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:35:00,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:35:00,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:35:00,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:35:00,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:35:00,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:35:00,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:35:00,483 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:35:00,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-2.c [2019-09-08 01:35:00,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e548f5a6/612935bf625741ef956c37cea9991e22/FLAGc36c44098 [2019-09-08 01:35:00,963 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:35:00,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c [2019-09-08 01:35:00,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e548f5a6/612935bf625741ef956c37cea9991e22/FLAGc36c44098 [2019-09-08 01:35:01,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e548f5a6/612935bf625741ef956c37cea9991e22 [2019-09-08 01:35:01,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:35:01,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:35:01,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:35:01,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:35:01,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:35:01,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5104c5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01, skipping insertion in model container [2019-09-08 01:35:01,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,414 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:35:01,432 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:35:01,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:35:01,631 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:35:01,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:35:01,685 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:35:01,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01 WrapperNode [2019-09-08 01:35:01,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:35:01,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:35:01,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:35:01,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:35:01,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (1/1) ... [2019-09-08 01:35:01,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:35:01,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:35:01,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:35:01,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:35:01,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (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 [2019-09-08 01:35:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:35:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:35:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-08 01:35:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-08 01:35:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-08 01:35:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:35:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:35:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 01:35:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 01:35:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 01:35:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:35:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-08 01:35:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 01:35:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:35:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:35:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:35:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:35:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 01:35:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:35:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:35:02,231 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:35:02,231 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:35:02,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:35:02 BoogieIcfgContainer [2019-09-08 01:35:02,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:35:02,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:35:02,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:35:02,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:35:02,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:35:01" (1/3) ... [2019-09-08 01:35:02,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76dc1467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:35:02, skipping insertion in model container [2019-09-08 01:35:02,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:35:01" (2/3) ... [2019-09-08 01:35:02,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76dc1467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:35:02, skipping insertion in model container [2019-09-08 01:35:02,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:35:02" (3/3) ... [2019-09-08 01:35:02,241 INFO L109 eAbstractionObserver]: Analyzing ICFG test21-2.c [2019-09-08 01:35:02,249 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:35:02,256 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:35:02,272 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:35:02,304 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:35:02,305 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:35:02,305 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:35:02,306 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:35:02,306 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:35:02,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:35:02,306 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:35:02,306 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:35:02,306 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:35:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-09-08 01:35:02,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-09-08 01:35:02,338 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:35:02,340 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:35:02,344 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:35:02,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:35:02,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1351082661, now seen corresponding path program 1 times [2019-09-08 01:35:02,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:35:02,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:35:02,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:35:02,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:35:02,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:35:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:35:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:35:02,602 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:35:02,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:35:02 BoogieIcfgContainer [2019-09-08 01:35:02,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:35:02,644 INFO L168 Benchmark]: Toolchain (without parser) took 1246.67 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 92.0 MB in the beginning and 143.3 MB in the end (delta: -51.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:35:02,645 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:35:02,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.75 ms. Allocated memory is still 136.3 MB. Free memory was 91.6 MB in the beginning and 81.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:35:02,649 INFO L168 Benchmark]: Boogie Preprocessor took 169.46 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 81.7 MB in the beginning and 176.8 MB in the end (delta: -95.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:35:02,650 INFO L168 Benchmark]: RCFGBuilder took 370.23 ms. Allocated memory is still 200.8 MB. Free memory was 176.8 MB in the beginning and 160.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-08 01:35:02,651 INFO L168 Benchmark]: TraceAbstraction took 407.21 ms. Allocated memory is still 200.8 MB. Free memory was 160.4 MB in the beginning and 143.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:35:02,655 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.75 ms. Allocated memory is still 136.3 MB. Free memory was 91.6 MB in the beginning and 81.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.46 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 81.7 MB in the beginning and 176.8 MB in the end (delta: -95.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.23 ms. Allocated memory is still 200.8 MB. Free memory was 176.8 MB in the beginning and 160.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 407.21 ms. Allocated memory is still 200.8 MB. Free memory was 160.4 MB in the beginning and 143.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 42]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] struct dummy d1, d2; VAL [\old(d1)=14, \old(d1)=10, \old(d2)=11, \old(d2)=13, d1={-1:0}, d2={1:0}] [L32] CALL init() VAL [d1={-1:0}, d2={1:0}] [L13] d1.a = __VERIFIER_nondet_int() [L14] d1.b = __VERIFIER_nondet_int() [L16] d2.a = __VERIFIER_nondet_int() [L17] d2.b = __VERIFIER_nondet_int() [L32] RET init() VAL [d1={-1:0}, d2={1:0}] [L33] CALL, EXPR get_dummy() VAL [d1={-1:0}, d2={1:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=0, __VERIFIER_nondet_bool() ? &d1 : &d2={1:0}, d1={-1:0}, d2={1:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={-1:0}, d2={1:0}, get_dummy()={1:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L33] CALL, EXPR get_dummy() VAL [d1={-1:0}, d2={1:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=0, __VERIFIER_nondet_bool() ? &d1 : &d2={1:0}, d1={-1:0}, d2={1:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={-1:0}, d2={1:0}, get_dummy()={1:0}, pd1={1:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L34] COND TRUE pd1 != 0 && pd1 == pd2 VAL [d1={-1:0}, d2={1:0}, pd1={1:0}, pd2={1:0}] [L35] CALL, EXPR check(pd1, pd2) VAL [d1={-1:0}, d2={1:0}, s1={1:0}, s2={1:0}] [L27] EXPR s1->a [L27] EXPR s2->b [L27] return s1->a == s2->b; [L35] RET, EXPR check(pd1, pd2) VAL [check(pd1, pd2)=0, d1={-1:0}, d2={1:0}, pd1={1:0}, pd2={1:0}] [L35] COND TRUE !check(pd1, pd2) [L42] __VERIFIER_error() VAL [d1={-1:0}, d2={1:0}, pd1={1:0}, pd2={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...