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/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:18:07,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:18:07,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:18:07,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:18:07,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:18:07,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:18:07,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:18:07,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:18:07,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:18:07,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:18:07,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:18:07,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:18:07,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:18:07,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:18:07,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:18:07,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:18:07,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:18:07,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:18:07,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:18:07,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:18:07,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:18:07,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:18:07,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:18:07,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:18:07,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:18:07,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:18:07,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:18:07,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:18:07,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:18:07,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:18:07,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:18:07,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:18:07,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:18:07,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:18:07,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:18:07,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:18:07,693 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 01:18:07,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:18:07,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:18:07,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:18:07,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:18:07,709 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:18:07,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:18:07,710 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:18:07,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:18:07,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:18:07,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:18:07,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:18:07,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:18:07,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:18:07,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:18:07,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:18:07,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:18:07,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:18:07,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:18:07,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:18:07,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:18:07,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:18:07,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:18:07,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:18:07,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:18:07,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:18:07,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:18:07,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:18:07,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:18:07,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:18:07,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:18:07,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:18:07,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:18:07,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:18:07,762 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:18:07,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-09-08 01:18:07,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04ddc0e9/881271c627dc4028a8797168333a4be6/FLAG5e8d02ccf [2019-09-08 01:18:08,235 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:18:08,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-09-08 01:18:08,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04ddc0e9/881271c627dc4028a8797168333a4be6/FLAG5e8d02ccf [2019-09-08 01:18:08,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04ddc0e9/881271c627dc4028a8797168333a4be6 [2019-09-08 01:18:08,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:18:08,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:18:08,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:18:08,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:18:08,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:18:08,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:18:08" (1/1) ... [2019-09-08 01:18:08,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eda8f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:08, skipping insertion in model container [2019-09-08 01:18:08,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:18:08" (1/1) ... [2019-09-08 01:18:08,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:18:08,709 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:18:08,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:18:08,979 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:18:09,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:18:09,023 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:18:09,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09 WrapperNode [2019-09-08 01:18:09,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:18:09,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:18:09,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:18:09,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:18:09,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (1/1) ... [2019-09-08 01:18:09,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (1/1) ... [2019-09-08 01:18:09,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (1/1) ... [2019-09-08 01:18:09,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (1/1) ... [2019-09-08 01:18:09,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (1/1) ... [2019-09-08 01:18:09,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (1/1) ... [2019-09-08 01:18:09,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (1/1) ... [2019-09-08 01:18:09,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:18:09,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:18:09,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:18:09,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:18:09,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (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 01:18:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:18:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:18:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:18:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:18:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 01:18:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:18:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:18:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:18:09,375 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:18:09,375 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:18:09,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:18:09 BoogieIcfgContainer [2019-09-08 01:18:09,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:18:09,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:18:09,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:18:09,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:18:09,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:18:08" (1/3) ... [2019-09-08 01:18:09,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f6d2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:18:09, skipping insertion in model container [2019-09-08 01:18:09,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:18:09" (2/3) ... [2019-09-08 01:18:09,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f6d2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:18:09, skipping insertion in model container [2019-09-08 01:18:09,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:18:09" (3/3) ... [2019-09-08 01:18:09,387 INFO L109 eAbstractionObserver]: Analyzing ICFG Float_div_bad.i.p+cfa-reducer.c [2019-09-08 01:18:09,399 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:18:09,407 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:18:09,423 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:18:09,453 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:18:09,454 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:18:09,454 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:18:09,454 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:18:09,454 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:18:09,455 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:18:09,455 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:18:09,455 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:18:09,455 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:18:09,472 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-09-08 01:18:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-09-08 01:18:09,478 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:18:09,479 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:18:09,481 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:18:09,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:18:09,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1301230683, now seen corresponding path program 1 times [2019-09-08 01:18:09,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:18:09,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:18:09,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:18:09,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:18:09,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:18:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:18:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:18:09,596 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:18:09,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:18:09 BoogieIcfgContainer [2019-09-08 01:18:09,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:18:09,622 INFO L168 Benchmark]: Toolchain (without parser) took 950.54 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 154.0 MB in the end (delta: -65.0 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:18:09,623 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:18:09,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.72 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 79.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:18:09,625 INFO L168 Benchmark]: Boogie Preprocessor took 136.13 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 79.5 MB in the beginning and 177.3 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:18:09,626 INFO L168 Benchmark]: RCFGBuilder took 215.49 ms. Allocated memory is still 200.8 MB. Free memory was 177.3 MB in the beginning and 166.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:18:09,627 INFO L168 Benchmark]: TraceAbstraction took 241.26 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 154.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:18:09,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 353.72 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 79.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.13 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 79.5 MB in the beginning and 177.3 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 215.49 ms. Allocated memory is still 200.8 MB. Free memory was 177.3 MB in the beginning and 166.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241.26 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 154.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 25]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L1] int __return_main; VAL [\old(__return_main)=1, __return_main=0] [L7] float main__x = 1.0; [L8] float main__x1 = main__x / 1.600000023841858; VAL [__return_main=0, main__x=1] [L10] COND FALSE !(main__x1 != main__x) [L19] int __tmp_1; [L20] __tmp_1 = main__x == 0 [L21] int __VERIFIER_assert__cond; [L22] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main__x=1] [L23] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main__x=1] [L25] __VERIFIER_error() VAL [__return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main__x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 14 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=14occurred 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, 9 NumberOfCodeBlocks, 9 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...