/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 03:31:09,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 03:31:09,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 03:31:09,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 03:31:09,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 03:31:09,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 03:31:09,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 03:31:09,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 03:31:09,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 03:31:09,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 03:31:09,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 03:31:09,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 03:31:09,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 03:31:09,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 03:31:09,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 03:31:09,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 03:31:09,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 03:31:09,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 03:31:09,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 03:31:09,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 03:31:09,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 03:31:09,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 03:31:09,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 03:31:09,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 03:31:09,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 03:31:09,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 03:31:09,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 03:31:09,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 03:31:09,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 03:31:09,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-19 03:31:09,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 03:31:09,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 03:31:09,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 03:31:09,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 03:31:09,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 03:31:09,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 03:31:09,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 03:31:09,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 03:31:09,662 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 03:31:09,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 03:31:09,663 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 03:31:09,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 03:31:09,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 03:31:09,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 03:31:09,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 03:31:09,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 03:31:09,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 03:31:09,665 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 03:31:09,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 03:31:09,666 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 03:31:09,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 03:31:09,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 03:31:09,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 03:31:09,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 03:31:09,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 03:31:09,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 03:31:09,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 03:31:09,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 03:31:09,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 03:31:09,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 03:31:09,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 03:31:09,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 03:31:09,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 03:31:09,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1; [2020-08-19 03:31:09,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 03:31:09,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 03:31:09,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 03:31:09,996 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 03:31:09,996 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 03:31:09,997 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-08-19 03:31:10,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8ef4f564/9f0d70c730a84185b844eda1134760e0/FLAG515201723 [2020-08-19 03:31:10,558 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 03:31:10,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-08-19 03:31:10,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8ef4f564/9f0d70c730a84185b844eda1134760e0/FLAG515201723 [2020-08-19 03:31:10,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8ef4f564/9f0d70c730a84185b844eda1134760e0 [2020-08-19 03:31:10,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 03:31:10,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 03:31:10,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 03:31:10,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 03:31:10,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 03:31:10,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 03:31:10" (1/1) ... [2020-08-19 03:31:10,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb58955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:10, skipping insertion in model container [2020-08-19 03:31:10,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 03:31:10" (1/1) ... [2020-08-19 03:31:10,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 03:31:10,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 03:31:11,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 03:31:11,177 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 03:31:11,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 03:31:11,212 INFO L208 MainTranslator]: Completed translation [2020-08-19 03:31:11,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11 WrapperNode [2020-08-19 03:31:11,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 03:31:11,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 03:31:11,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 03:31:11,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 03:31:11,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (1/1) ... [2020-08-19 03:31:11,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (1/1) ... [2020-08-19 03:31:11,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (1/1) ... [2020-08-19 03:31:11,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (1/1) ... [2020-08-19 03:31:11,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (1/1) ... [2020-08-19 03:31:11,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (1/1) ... [2020-08-19 03:31:11,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (1/1) ... [2020-08-19 03:31:11,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 03:31:11,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 03:31:11,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 03:31:11,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 03:31:11,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-19 03:31:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 03:31:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 03:31:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 03:31:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 03:31:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 03:31:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 03:31:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 03:31:11,526 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 03:31:11,526 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 03:31:11,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 03:31:11 BoogieIcfgContainer [2020-08-19 03:31:11,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 03:31:11,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 03:31:11,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 03:31:11,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 03:31:11,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 03:31:10" (1/3) ... [2020-08-19 03:31:11,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d18e1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 03:31:11, skipping insertion in model container [2020-08-19 03:31:11,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:31:11" (2/3) ... [2020-08-19 03:31:11,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d18e1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 03:31:11, skipping insertion in model container [2020-08-19 03:31:11,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 03:31:11" (3/3) ... [2020-08-19 03:31:11,540 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2020-08-19 03:31:11,549 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 03:31:11,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 03:31:11,568 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 03:31:11,591 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 03:31:11,591 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 03:31:11,591 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 03:31:11,592 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 03:31:11,592 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 03:31:11,592 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 03:31:11,592 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 03:31:11,592 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 03:31:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-08-19 03:31:11,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-08-19 03:31:11,615 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:31:11,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:31:11,616 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:31:11,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:31:11,622 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2020-08-19 03:31:11,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:31:11,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788525606] [2020-08-19 03:31:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:31:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-19 03:31:11,701 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-19 03:31:11,702 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-19 03:31:11,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 03:31:11,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 03:31:11 BoogieIcfgContainer [2020-08-19 03:31:11,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 03:31:11,719 INFO L168 Benchmark]: Toolchain (without parser) took 760.64 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.0 MB in the beginning and 159.2 MB in the end (delta: -56.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-08-19 03:31:11,720 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 03:31:11,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.15 ms. Allocated memory is still 140.0 MB. Free memory was 102.8 MB in the beginning and 92.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-08-19 03:31:11,722 INFO L168 Benchmark]: Boogie Preprocessor took 103.51 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 92.3 MB in the beginning and 181.0 MB in the end (delta: -88.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-08-19 03:31:11,723 INFO L168 Benchmark]: RCFGBuilder took 214.78 ms. Allocated memory is still 202.4 MB. Free memory was 181.0 MB in the beginning and 170.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-08-19 03:31:11,724 INFO L168 Benchmark]: TraceAbstraction took 182.97 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 159.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-08-19 03:31:11,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.15 ms. Allocated memory is still 140.0 MB. Free memory was 102.8 MB in the beginning and 92.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.51 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 92.3 MB in the beginning and 181.0 MB in the end (delta: -88.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 214.78 ms. Allocated memory is still 202.4 MB. Free memory was 181.0 MB in the beginning and 170.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 182.97 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 159.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: 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 someBinaryArithmeticFLOAToperation at line 8, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L4] float f = 0x1.9e0c22p-101f; [L5] float g = -0x1.3c9014p-50f; [L6] float target = -0x1p-149f; [L8] float result = f * g; [L10] COND TRUE !(result == target) [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 7 NumberOfCodeBlocks, 7 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...