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/loop-acceleration/simple_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:14:16,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:14:16,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:14:16,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:14:16,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:14:16,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:14:16,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:14:16,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:14:16,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:14:16,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:14:16,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:14:16,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:14:16,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:14:16,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:14:16,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:14:16,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:14:16,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:14:16,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:14:16,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:14:16,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:14:16,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:14:16,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:14:16,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:14:16,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:14:16,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:14:16,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:14:16,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:14:16,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:14:16,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:14:16,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:14:16,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:14:16,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:14:16,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:14:16,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:14:16,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:14:16,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:14:16,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:14:16,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:14:16,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:14:16,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:14:16,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:14:16,478 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 [2019-10-14 23:14:16,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:14:16,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:14:16,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:14:16,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:14:16,497 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:14:16,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:14:16,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:14:16,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:14:16,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:14:16,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:14:16,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:14:16,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:14:16,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:14:16,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:14:16,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:14:16,500 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:14:16,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:14:16,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:14:16,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:14:16,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:14:16,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:14:16,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:14:16,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:14:16,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:14:16,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:14:16,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:14:16,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:14:16,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:14:16,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:14:16,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:14:16,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:14:16,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:14:16,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:14:16,789 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:14:16,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2019-10-14 23:14:16,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e199a2e/576d954ef30f4d3db2a5ec856cc9c45b/FLAG9c832d44a [2019-10-14 23:14:17,287 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:14:17,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2019-10-14 23:14:17,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e199a2e/576d954ef30f4d3db2a5ec856cc9c45b/FLAG9c832d44a [2019-10-14 23:14:17,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e199a2e/576d954ef30f4d3db2a5ec856cc9c45b [2019-10-14 23:14:17,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:14:17,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:14:17,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:14:17,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:14:17,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:14:17,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:17,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3ce9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17, skipping insertion in model container [2019-10-14 23:14:17,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:17,734 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:14:17,751 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:14:17,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:14:17,953 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:14:17,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:14:17,980 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:14:17,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17 WrapperNode [2019-10-14 23:14:17,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:14:17,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:14:17,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:14:17,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:14:18,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:18,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:18,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:18,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:18,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:18,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:18,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (1/1) ... [2019-10-14 23:14:18,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:14:18,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:14:18,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:14:18,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:14:18,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (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 [2019-10-14 23:14:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:14:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:14:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 23:14:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:14:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:14:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 23:14:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 23:14:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:14:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:14:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:14:18,307 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:14:18,307 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 23:14:18,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:14:18 BoogieIcfgContainer [2019-10-14 23:14:18,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:14:18,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:14:18,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:14:18,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:14:18,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:14:17" (1/3) ... [2019-10-14 23:14:18,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b059be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:14:18, skipping insertion in model container [2019-10-14 23:14:18,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:17" (2/3) ... [2019-10-14 23:14:18,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b059be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:14:18, skipping insertion in model container [2019-10-14 23:14:18,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:14:18" (3/3) ... [2019-10-14 23:14:18,322 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_2-2.c [2019-10-14 23:14:18,339 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:14:18,355 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:14:18,366 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:14:18,394 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:14:18,395 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:14:18,395 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:14:18,395 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:14:18,395 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:14:18,395 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:14:18,395 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:14:18,395 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:14:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-14 23:14:18,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-14 23:14:18,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:14:18,415 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:14:18,417 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:14:18,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:14:18,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-10-14 23:14:18,428 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:14:18,429 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597752924] [2019-10-14 23:14:18,429 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:18,429 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:18,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:14:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-14 23:14:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-14 23:14:18,536 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-14 23:14:18,537 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-14 23:14:18,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:14:18 BoogieIcfgContainer [2019-10-14 23:14:18,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:14:18,560 INFO L168 Benchmark]: Toolchain (without parser) took 844.36 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 102.5 MB in the beginning and 157.6 MB in the end (delta: -55.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:14:18,561 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 140.0 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 23:14:18,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.45 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 93.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:14:18,564 INFO L168 Benchmark]: Boogie Preprocessor took 110.84 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 182.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:14:18,565 INFO L168 Benchmark]: RCFGBuilder took 218.14 ms. Allocated memory is still 202.9 MB. Free memory was 182.0 MB in the beginning and 170.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:14:18,566 INFO L168 Benchmark]: TraceAbstraction took 244.44 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 157.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-10-14 23:14:18,570 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 140.0 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.45 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 93.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.84 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 182.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 218.14 ms. Allocated memory is still 202.9 MB. Free memory was 182.0 MB in the beginning and 170.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 244.44 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 157.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] unsigned int x = __VERIFIER_nondet_uint(); [L14] COND FALSE !(x < 0x0fffffff) VAL [x=268435455] [L18] CALL __VERIFIER_assert(x > 0x0fffffff) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __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...