/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.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -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 0.1.25-79ed534 [2020-07-20 03:18:12,844 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 03:18:12,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:18:12,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:18:12,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:18:12,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:18:12,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:18:12,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:18:12,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:18:12,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:18:12,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:18:12,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:18:12,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:18:12,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:18:12,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:18:12,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:18:12,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:18:12,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:18:12,927 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 [2020-07-20 03:18:12,959 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:18:12,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:18:12,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:18:12,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:18:12,963 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:18:12,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:18:12,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:18:12,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:18:12,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:18:12,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:18:12,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:18:12,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:18:12,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:18:12,964 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:18:12,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:18:12,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:18:12,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:18:12,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:18:12,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:18:12,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:18:12,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:18:12,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:18:12,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:18:12,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:18:12,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:18:12,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:18:12,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:18:12,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:18:12,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:18:12,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:18:13,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:18:13,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:18:13,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:18:13,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:18:13,257 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:18:13,257 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-07-20 03:18:13,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e92d638/5f0b399fee4a4d89abcd924c6f97066b/FLAGb155a6adb [2020-07-20 03:18:13,781 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:18:13,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-07-20 03:18:13,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e92d638/5f0b399fee4a4d89abcd924c6f97066b/FLAGb155a6adb [2020-07-20 03:18:14,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e92d638/5f0b399fee4a4d89abcd924c6f97066b [2020-07-20 03:18:14,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:18:14,206 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:18:14,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:18:14,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:18:14,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:18:14,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6377931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14, skipping insertion in model container [2020-07-20 03:18:14,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:18:14,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:18:14,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:18:14,432 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:18:14,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:18:14,460 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:18:14,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14 WrapperNode [2020-07-20 03:18:14,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:18:14,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:18:14,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:18:14,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:18:14,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (1/1) ... [2020-07-20 03:18:14,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:18:14,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:18:14,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:18:14,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:18:14,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (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 [2020-07-20 03:18:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:18:14,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:18:14,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:18:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:18:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:18:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:18:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:18:14,757 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:18:14,757 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 03:18:14,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:18:14 BoogieIcfgContainer [2020-07-20 03:18:14,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:18:14,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:18:14,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:18:14,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:18:14,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:18:14" (1/3) ... [2020-07-20 03:18:14,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b58aca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:18:14, skipping insertion in model container [2020-07-20 03:18:14,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:18:14" (2/3) ... [2020-07-20 03:18:14,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b58aca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:18:14, skipping insertion in model container [2020-07-20 03:18:14,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:18:14" (3/3) ... [2020-07-20 03:18:14,768 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2020-07-20 03:18:14,778 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:18:14,785 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:18:14,796 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:18:14,818 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:18:14,818 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:18:14,818 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:18:14,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:18:14,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:18:14,819 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:18:14,819 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:18:14,819 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:18:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-07-20 03:18:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-20 03:18:14,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:18:14,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:18:14,843 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:18:14,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:18:14,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2020-07-20 03:18:14,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:18:14,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141673221] [2020-07-20 03:18:14,857 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69eba446 [2020-07-20 03:18:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 03:18:14,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 03:18:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 03:18:14,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 03:18:14,956 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 03:18:14,957 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 03:18:14,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:18:14,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:18:14 BoogieIcfgContainer [2020-07-20 03:18:14,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:18:14,983 INFO L168 Benchmark]: Toolchain (without parser) took 776.84 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 158.1 MB in the end (delta: -56.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-07-20 03:18:14,984 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 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. [2020-07-20 03:18:14,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.55 ms. Allocated memory is still 138.4 MB. Free memory was 101.3 MB in the beginning and 91.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-20 03:18:14,987 INFO L168 Benchmark]: Boogie Preprocessor took 103.74 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.3 MB in the beginning and 180.6 MB in the end (delta: -89.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-20 03:18:14,988 INFO L168 Benchmark]: RCFGBuilder took 194.35 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 170.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-20 03:18:14,989 INFO L168 Benchmark]: TraceAbstraction took 218.43 ms. Allocated memory is still 202.4 MB. Free memory was 170.0 MB in the beginning and 158.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:18:14,993 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 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 254.55 ms. Allocated memory is still 138.4 MB. Free memory was 101.3 MB in the beginning and 91.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.74 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.3 MB in the beginning and 180.6 MB in the end (delta: -89.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 194.35 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 170.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 218.43 ms. Allocated memory is still 202.4 MB. Free memory was 170.0 MB in the beginning and 158.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 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; VAL [\old(argc)=4, argc=4, argv={3:2}, argv={3:2}, f=13567505/21267647932558653966460912964485513216] [L10] COND TRUE !(result == target) VAL [\old(argc)=4, argc=4, argv={3:2}, argv={3:2}, f=13567505/21267647932558653966460912964485513216] [L10] __VERIFIER_error() VAL [\old(argc)=4, argc=4, argv={3:2}, argv={3:2}, f=13567505/21267647932558653966460912964485513216] - 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...