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/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:05:33,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:05:33,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:05:33,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:05:33,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:05:33,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:05:33,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:05:33,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:05:33,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:05:33,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:05:33,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:05:33,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:05:33,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:05:33,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:05:33,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:05:33,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:05:33,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:05:33,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:05:33,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:05:33,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:05:33,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:05:33,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:05:33,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:05:33,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:05:33,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:05:33,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:05:33,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:05:33,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:05:33,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:05:33,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:05:33,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:05:33,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:05:33,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:05:33,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:05:33,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:05:33,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:05:33,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:05:33,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:05:33,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:05:33,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:05:33,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:05:33,489 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 [2019-10-13 21:05:33,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:05:33,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:05:33,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:05:33,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:05:33,525 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:05:33,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:05:33,525 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:05:33,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:05:33,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:05:33,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:05:33,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:05:33,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:05:33,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:05:33,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:05:33,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:05:33,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:05:33,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:05:33,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:05:33,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:05:33,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:05:33,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:05:33,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:05:33,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:05:33,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:05:33,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:05:33,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:05:33,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:05:33,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:05:33,534 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 [2019-10-13 21:05:33,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:05:33,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:05:33,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:05:33,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:05:33,848 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:05:33,849 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-10-13 21:05:33,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3eef491a/e0791e27648e4a15b617de492935bacd/FLAGdf577ad11 [2019-10-13 21:05:34,448 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:05:34,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-10-13 21:05:34,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3eef491a/e0791e27648e4a15b617de492935bacd/FLAGdf577ad11 [2019-10-13 21:05:34,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3eef491a/e0791e27648e4a15b617de492935bacd [2019-10-13 21:05:34,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:05:34,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:05:34,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:05:34,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:05:34,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:05:34,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:05:34" (1/1) ... [2019-10-13 21:05:34,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb7bbc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:34, skipping insertion in model container [2019-10-13 21:05:34,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:05:34" (1/1) ... [2019-10-13 21:05:34,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:05:34,830 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:05:35,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:05:35,008 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:05:35,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:05:35,046 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:05:35,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35 WrapperNode [2019-10-13 21:05:35,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:05:35,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:05:35,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:05:35,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:05:35,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (1/1) ... [2019-10-13 21:05:35,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (1/1) ... [2019-10-13 21:05:35,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (1/1) ... [2019-10-13 21:05:35,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (1/1) ... [2019-10-13 21:05:35,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (1/1) ... [2019-10-13 21:05:35,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (1/1) ... [2019-10-13 21:05:35,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (1/1) ... [2019-10-13 21:05:35,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:05:35,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:05:35,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:05:35,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:05:35,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (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 [2019-10-13 21:05:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:05:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:05:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 21:05:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:05:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:05:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 21:05:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 21:05:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:05:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:05:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:05:35,380 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:05:35,380 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 21:05:35,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:05:35 BoogieIcfgContainer [2019-10-13 21:05:35,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:05:35,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:05:35,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:05:35,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:05:35,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:05:34" (1/3) ... [2019-10-13 21:05:35,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5395bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:05:35, skipping insertion in model container [2019-10-13 21:05:35,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:35" (2/3) ... [2019-10-13 21:05:35,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5395bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:05:35, skipping insertion in model container [2019-10-13 21:05:35,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:05:35" (3/3) ... [2019-10-13 21:05:35,391 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_3-1.c [2019-10-13 21:05:35,402 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:05:35,409 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:05:35,421 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:05:35,444 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:05:35,445 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:05:35,445 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:05:35,445 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:05:35,445 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:05:35,445 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:05:35,445 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:05:35,446 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:05:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-13 21:05:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-13 21:05:35,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:35,468 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:05:35,469 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:35,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:35,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-10-13 21:05:35,481 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:35,482 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552649654] [2019-10-13 21:05:35,482 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:35,482 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:35,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 21:05:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 21:05:35,617 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-13 21:05:35,617 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-13 21:05:35,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:05:35 BoogieIcfgContainer [2019-10-13 21:05:35,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:05:35,639 INFO L168 Benchmark]: Toolchain (without parser) took 842.28 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 103.2 MB in the beginning and 157.2 MB in the end (delta: -54.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:35,640 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:05:35,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.92 ms. Allocated memory is still 138.4 MB. Free memory was 103.0 MB in the beginning and 93.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:35,642 INFO L168 Benchmark]: Boogie Preprocessor took 106.81 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 93.3 MB in the beginning and 181.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:35,643 INFO L168 Benchmark]: RCFGBuilder took 226.71 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 170.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:35,644 INFO L168 Benchmark]: TraceAbstraction took 252.27 ms. Allocated memory is still 202.4 MB. Free memory was 170.8 MB in the beginning and 157.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:35,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.92 ms. Allocated memory is still 138.4 MB. Free memory was 103.0 MB in the beginning and 93.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.81 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 93.3 MB in the beginning and 181.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.71 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 170.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252.27 ms. Allocated memory is still 202.4 MB. Free memory was 170.8 MB in the beginning and 157.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 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 = 0; [L13] unsigned short N = __VERIFIER_nondet_ushort(); [L15] COND FALSE !(x < N) VAL [N=0, x=0] [L19] CALL __VERIFIER_assert(x % 2) 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...