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/float-benchs/filter2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:11:09,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:11:09,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:11:09,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:11:09,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:11:09,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:11:09,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:11:09,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:11:09,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:11:09,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:11:09,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:11:09,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:11:09,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:11:09,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:11:09,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:11:09,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:11:09,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:11:09,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:11:09,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:11:09,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:11:09,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:11:09,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:11:09,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:11:09,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:11:09,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:11:09,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:11:09,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:11:09,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:11:09,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:11:09,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:11:09,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:11:09,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:11:09,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:11:09,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:11:09,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:11:09,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:11:09,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:11:09,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:11:09,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:11:09,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:11:09,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:11:09,399 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 01:11:09,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:11:09,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:11:09,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:11:09,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:11:09,421 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:11:09,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:11:09,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:11:09,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:11:09,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:11:09,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:11:09,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:11:09,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:11:09,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:11:09,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:11:09,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:11:09,424 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:11:09,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:11:09,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:11:09,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:11:09,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:11:09,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:11:09,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:11:09,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:11:09,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:11:09,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:11:09,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:11:09,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:11:09,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:11:09,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:11:09,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:11:09,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:11:09,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:11:09,504 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:11:09,505 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:11:09,506 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter2.c [2019-09-08 01:11:09,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d72e881a/75d6c3605f744f7599c1bb9ad8c36e02/FLAGe699d527e [2019-09-08 01:11:10,067 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:11:10,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter2.c [2019-09-08 01:11:10,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d72e881a/75d6c3605f744f7599c1bb9ad8c36e02/FLAGe699d527e [2019-09-08 01:11:10,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d72e881a/75d6c3605f744f7599c1bb9ad8c36e02 [2019-09-08 01:11:10,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:11:10,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:11:10,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:11:10,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:11:10,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:11:10,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8882b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10, skipping insertion in model container [2019-09-08 01:11:10,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,473 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:11:10,489 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:11:10,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:11:10,651 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:11:10,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:11:10,780 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:11:10,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10 WrapperNode [2019-09-08 01:11:10,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:11:10,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:11:10,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:11:10,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:11:10,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (1/1) ... [2019-09-08 01:11:10,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:11:10,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:11:10,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:11:10,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:11:10,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (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 01:11:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:11:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:11:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-08 01:11:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:11:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:11:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-08 01:11:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:11:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 01:11:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:11:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:11:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:11:11,054 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:11:11,055 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 01:11:11,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:11:11 BoogieIcfgContainer [2019-09-08 01:11:11,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:11:11,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:11:11,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:11:11,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:11:11,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:11:10" (1/3) ... [2019-09-08 01:11:11,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f961a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:11:11, skipping insertion in model container [2019-09-08 01:11:11,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:10" (2/3) ... [2019-09-08 01:11:11,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f961a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:11:11, skipping insertion in model container [2019-09-08 01:11:11,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:11:11" (3/3) ... [2019-09-08 01:11:11,063 INFO L109 eAbstractionObserver]: Analyzing ICFG filter2.c [2019-09-08 01:11:11,073 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:11:11,081 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:11:11,096 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:11:11,127 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:11:11,127 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:11:11,127 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:11:11,128 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:11:11,128 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:11:11,128 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:11:11,128 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:11:11,128 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:11:11,128 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:11:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-09-08 01:11:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-08 01:11:11,149 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:11:11,150 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:11:11,152 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:11:11,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:11:11,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1875203651, now seen corresponding path program 1 times [2019-09-08 01:11:11,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:11:11,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:11:11,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:11:11,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:11:11,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:11:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:11:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:11:11,275 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:11:11,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:11:11 BoogieIcfgContainer [2019-09-08 01:11:11,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:11:11,302 INFO L168 Benchmark]: Toolchain (without parser) took 848.35 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 150.3 MB in the end (delta: -62.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:11,303 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:11:11,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.64 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.1 MB in the beginning and 176.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:11,305 INFO L168 Benchmark]: Boogie Preprocessor took 30.56 ms. Allocated memory is still 199.2 MB. Free memory was 176.8 MB in the beginning and 175.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:11,306 INFO L168 Benchmark]: RCFGBuilder took 242.36 ms. Allocated memory is still 199.2 MB. Free memory was 174.5 MB in the beginning and 163.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:11,307 INFO L168 Benchmark]: TraceAbstraction took 242.12 ms. Allocated memory is still 199.2 MB. Free memory was 162.8 MB in the beginning and 150.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:11,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 325.64 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.1 MB in the beginning and 176.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.56 ms. Allocated memory is still 199.2 MB. Free memory was 176.8 MB in the beginning and 175.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 242.36 ms. Allocated memory is still 199.2 MB. Free memory was 174.5 MB in the beginning and 163.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 242.12 ms. Allocated memory is still 199.2 MB. Free memory was 162.8 MB in the beginning and 150.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 39, overapproximation of to_real at line 25, overapproximation of someBinaryArithmeticDOUBLEoperation at line 37. Possible FailurePath: [L17] double E, E0, E1, S0, S1, S; [L18] int i; [L20] E = __VERIFIER_nondet_double() [L21] E0 = __VERIFIER_nondet_double() [L25] S0 = 0 [L26] S = 0 [L28] i = 0 VAL [E=1, E=3, i=0] [L28] COND TRUE i <= 1000000 [L29] E1 = E0 [L30] E0 = E [L32] E = __VERIFIER_nondet_double() [L35] S1 = S0 [L36] S0 = S [L37] S = 0.7*E - E0*1.3 + E1*1.1 + S0*1.4 - S1*0.7 VAL [E=3, E=2, E=1, i=0, S0=4, S1=5] [L39] CALL __VERIFIER_assert(S >= -4. && S <= 4.) VAL [\old(cond)=0] [L12] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L12] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...