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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/loops/count_up_down-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:05:55,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:05:55,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:05:55,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:05:55,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:05:55,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:05:55,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:05:55,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:05:55,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:05:55,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:05:55,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:05:55,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:05:55,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:05:55,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:05:55,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:05:55,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:05:55,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:05:55,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:05:55,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:05:55,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:05:55,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:05:55,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:05:55,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:05:55,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:05:55,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:05:55,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:05:55,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:05:55,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:05:55,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:05:55,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:05:55,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:05:55,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:05:55,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:05:55,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:05:55,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:05:55,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:05:55,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:05:55,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:05:55,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:05:55,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:05:55,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:05:55,536 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 01:05:55,561 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:05:55,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:05:55,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:05:55,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:05:55,563 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:05:55,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:05:55,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:05:55,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:05:55,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:05:55,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:05:55,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:05:55,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:05:55,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:05:55,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:05:55,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:05:55,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:05:55,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:05:55,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:05:55,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:05:55,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:05:55,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:05:55,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:05:55,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:05:55,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:05:55,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:05:55,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:05:55,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:05:55,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:05:55,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:05:55,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:05:55,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:05:55,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:05:55,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:05:55,852 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:05:55,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-2.c [2019-10-15 01:05:55,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f435922/131bdf335b0f406ab80cc7c4a409b7fd/FLAG9e907b85b [2019-10-15 01:05:56,414 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:05:56,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-2.c [2019-10-15 01:05:56,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f435922/131bdf335b0f406ab80cc7c4a409b7fd/FLAG9e907b85b [2019-10-15 01:05:56,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f435922/131bdf335b0f406ab80cc7c4a409b7fd [2019-10-15 01:05:56,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:05:56,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:05:56,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:05:56,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:05:56,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:05:56,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:05:56" (1/1) ... [2019-10-15 01:05:56,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745cffcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:56, skipping insertion in model container [2019-10-15 01:05:56,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:05:56" (1/1) ... [2019-10-15 01:05:56,796 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:05:56,817 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:05:56,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:05:56,988 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:05:57,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:05:57,021 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:05:57,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57 WrapperNode [2019-10-15 01:05:57,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:05:57,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:05:57,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:05:57,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:05:57,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (1/1) ... [2019-10-15 01:05:57,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (1/1) ... [2019-10-15 01:05:57,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (1/1) ... [2019-10-15 01:05:57,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (1/1) ... [2019-10-15 01:05:57,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (1/1) ... [2019-10-15 01:05:57,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (1/1) ... [2019-10-15 01:05:57,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (1/1) ... [2019-10-15 01:05:57,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:05:57,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:05:57,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:05:57,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:05:57,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (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 01:05:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:05:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:05:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:05:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:05:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:05:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:05:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 01:05:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:05:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:05:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:05:57,354 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:05:57,354 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:05:57,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:05:57 BoogieIcfgContainer [2019-10-15 01:05:57,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:05:57,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:05:57,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:05:57,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:05:57,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:05:56" (1/3) ... [2019-10-15 01:05:57,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36546317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:05:57, skipping insertion in model container [2019-10-15 01:05:57,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:57" (2/3) ... [2019-10-15 01:05:57,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36546317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:05:57, skipping insertion in model container [2019-10-15 01:05:57,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:05:57" (3/3) ... [2019-10-15 01:05:57,363 INFO L109 eAbstractionObserver]: Analyzing ICFG count_up_down-2.c [2019-10-15 01:05:57,373 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:05:57,380 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:05:57,391 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:05:57,414 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:05:57,414 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:05:57,414 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:05:57,414 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:05:57,415 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:05:57,415 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:05:57,415 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:05:57,415 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:05:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-15 01:05:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-15 01:05:57,436 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:05:57,437 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:05:57,439 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:05:57,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:05:57,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-10-15 01:05:57,453 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:05:57,454 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613239272] [2019-10-15 01:05:57,454 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:05:57,454 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:05:57,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:05:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 01:05:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 01:05:57,575 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-15 01:05:57,576 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-15 01:05:57,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:05:57 BoogieIcfgContainer [2019-10-15 01:05:57,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:05:57,598 INFO L168 Benchmark]: Toolchain (without parser) took 816.79 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 103.6 MB in the beginning and 158.0 MB in the end (delta: -54.4 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:57,599 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:05:57,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.30 ms. Allocated memory is still 145.8 MB. Free memory was 103.2 MB in the beginning and 94.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:57,601 INFO L168 Benchmark]: Boogie Preprocessor took 108.45 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 94.1 MB in the beginning and 181.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:57,603 INFO L168 Benchmark]: RCFGBuilder took 224.20 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 171.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:57,604 INFO L168 Benchmark]: TraceAbstraction took 237.50 ms. Allocated memory is still 202.9 MB. Free memory was 170.7 MB in the beginning and 158.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:57,609 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.30 ms. Allocated memory is still 145.8 MB. Free memory was 103.2 MB in the beginning and 94.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.45 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 94.1 MB in the beginning and 181.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 224.20 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 171.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237.50 ms. Allocated memory is still 202.9 MB. Free memory was 170.7 MB in the beginning and 158.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, 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=17occurred 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...