/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:16:02,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:16:02,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:16:02,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:16:02,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:16:02,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:16:02,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:16:02,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:16:02,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:16:02,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:16:02,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:16:02,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:16:02,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:16:02,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:16:02,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:16:02,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:16:02,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:16:02,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:16:02,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:16:02,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:16:02,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:16:02,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:16:02,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:16:02,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:16:02,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:16:02,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:16:02,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:16:02,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:16:02,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:16:02,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-21 10:16:02,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:16:02,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:16:02,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:16:02,726 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 [2020-09-21 10:16:02,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:16:02,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:16:02,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:16:02,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:16:02,755 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:16:02,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:16:02,756 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:16:02,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:16:02,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:16:02,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:16:02,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:16:02,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:16:02,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:16:02,757 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:16:02,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:16:02,757 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:16:02,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:16:02,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:16:02,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:16:02,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:16:02,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:16:02,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:16:02,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:16:02,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:16:02,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:16:02,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:16:02,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:16:02,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:16:02,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:16:02,761 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 -> false [2020-09-21 10:16:03,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:16:03,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:16:03,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:16:03,252 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:16:03,253 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:16:03,254 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float2.c [2020-09-21 10:16:03,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/604b49fe9/81f2f30ee041415a8f236eb12dceb7f9/FLAGa0ffceb1d [2020-09-21 10:16:03,907 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:16:03,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float2.c [2020-09-21 10:16:03,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/604b49fe9/81f2f30ee041415a8f236eb12dceb7f9/FLAGa0ffceb1d [2020-09-21 10:16:04,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/604b49fe9/81f2f30ee041415a8f236eb12dceb7f9 [2020-09-21 10:16:04,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:16:04,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:16:04,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:16:04,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:16:04,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:16:04,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1987833a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04, skipping insertion in model container [2020-09-21 10:16:04,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:16:04,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:16:04,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:16:04,532 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:16:04,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:16:04,570 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:16:04,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04 WrapperNode [2020-09-21 10:16:04,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:16:04,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:16:04,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:16:04,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:16:04,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (1/1) ... [2020-09-21 10:16:04,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:16:04,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:16:04,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:16:04,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:16:04,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (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 [2020-09-21 10:16:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:16:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:16:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:16:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:16:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:16:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:16:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:16:04,987 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:16:04,987 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 10:16:04,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:16:04 BoogieIcfgContainer [2020-09-21 10:16:04,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:16:05,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:16:05,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:16:05,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:16:05,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:16:04" (1/3) ... [2020-09-21 10:16:05,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b94829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:16:05, skipping insertion in model container [2020-09-21 10:16:05,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:16:04" (2/3) ... [2020-09-21 10:16:05,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b94829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:16:05, skipping insertion in model container [2020-09-21 10:16:05,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:16:04" (3/3) ... [2020-09-21 10:16:05,023 INFO L109 eAbstractionObserver]: Analyzing ICFG float2.c [2020-09-21 10:16:05,055 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:16:05,065 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-09-21 10:16:05,102 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-21 10:16:05,134 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:16:05,134 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:16:05,134 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:16:05,135 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:16:05,135 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:16:05,135 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:16:05,135 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:16:05,135 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:16:05,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-09-21 10:16:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-21 10:16:05,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:16:05,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:16:05,165 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:16:05,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:16:05,172 INFO L82 PathProgramCache]: Analyzing trace with hash -484171444, now seen corresponding path program 1 times [2020-09-21 10:16:05,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:16:05,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651886130] [2020-09-21 10:16:05,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:16:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 10:16:05,273 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 10:16:05,274 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 10:16:05,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:16:05,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:16:05 BoogieIcfgContainer [2020-09-21 10:16:05,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:16:05,299 INFO L168 Benchmark]: Toolchain (without parser) took 1025.37 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 102.4 MB in the beginning and 160.4 MB in the end (delta: -58.0 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:05,300 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 10:16:05,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.03 ms. Allocated memory is still 140.0 MB. Free memory was 101.7 MB in the beginning and 92.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:05,302 INFO L168 Benchmark]: Boogie Preprocessor took 35.56 ms. Allocated memory is still 140.0 MB. Free memory was 92.5 MB in the beginning and 91.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:05,303 INFO L168 Benchmark]: RCFGBuilder took 386.55 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 91.1 MB in the beginning and 171.1 MB in the end (delta: -80.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:05,304 INFO L168 Benchmark]: TraceAbstraction took 286.24 ms. Allocated memory is still 202.9 MB. Free memory was 171.1 MB in the beginning and 160.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-21 10:16:05,308 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.03 ms. Allocated memory is still 140.0 MB. Free memory was 101.7 MB in the beginning and 92.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.56 ms. Allocated memory is still 140.0 MB. Free memory was 92.5 MB in the beginning and 91.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 386.55 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 91.1 MB in the beginning and 171.1 MB in the end (delta: -80.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 286.24 ms. Allocated memory is still 202.9 MB. Free memory was 171.1 MB in the beginning and 160.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 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 someBinaryDOUBLEComparisonOperation at line 10. Possible FailurePath: [L5] float a; [L6] double b; [L9] a=1.25L [L10] COND TRUE !(a==1.25) [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 4 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=24occurred 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...