java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:39:31,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:39:31,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:39:31,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:39:31,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:39:31,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:39:31,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:39:31,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:39:31,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:39:31,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:39:31,766 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:39:31,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:39:31,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:39:31,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:39:31,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:39:31,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:39:31,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:39:31,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:39:31,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:39:31,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:39:31,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:39:31,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:39:31,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:39:31,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:39:31,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 19:39:31,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:39:31,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:39:31,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:39:31,793 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 [2019-08-14 19:39:31,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:39:31,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:39:31,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:39:31,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:39:31,810 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:39:31,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:39:31,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:39:31,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:39:31,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:39:31,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:39:31,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:39:31,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:39:31,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:39:31,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:39:31,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:39:31,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:39:31,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:39:31,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:39:31,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:39:31,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:39:31,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:39:31,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:39:31,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:39:31,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:39:31,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:39:31,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:39:31,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:39:31,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:39:31,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:39:31,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:39:31,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:39:31,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:39:31,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:39:31,863 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:39:31,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2019-08-14 19:39:31,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49218e7b3/1215f1499a6e4a219cb3fc0683d32a28/FLAGbc74c24fc [2019-08-14 19:39:32,414 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:39:32,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2019-08-14 19:39:32,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49218e7b3/1215f1499a6e4a219cb3fc0683d32a28/FLAGbc74c24fc [2019-08-14 19:39:32,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49218e7b3/1215f1499a6e4a219cb3fc0683d32a28 [2019-08-14 19:39:32,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:39:32,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:39:32,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:39:32,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:39:32,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:39:32,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:39:32" (1/1) ... [2019-08-14 19:39:32,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e4dd85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:32, skipping insertion in model container [2019-08-14 19:39:32,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:39:32" (1/1) ... [2019-08-14 19:39:32,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:39:32,813 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:39:32,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:39:33,004 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:39:33,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:39:33,054 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:39:33,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33 WrapperNode [2019-08-14 19:39:33,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:39:33,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:39:33,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:39:33,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:39:33,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33" (1/1) ... [2019-08-14 19:39:33,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33" (1/1) ... [2019-08-14 19:39:33,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33" (1/1) ... [2019-08-14 19:39:33,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33" (1/1) ... [2019-08-14 19:39:33,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33" (1/1) ... [2019-08-14 19:39:33,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33" (1/1) ... [2019-08-14 19:39:33,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33" (1/1) ... [2019-08-14 19:39:33,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:39:33,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:39:33,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:39:33,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:39:33,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:33" (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 [2019-08-14 19:39:33,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:39:33,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:39:33,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:39:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:39:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 19:39:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 19:39:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 19:39:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:39:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:39:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:39:33,604 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:39:33,605 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 19:39:33,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:39:33 BoogieIcfgContainer [2019-08-14 19:39:33,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:39:33,606 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:39:33,607 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:39:33,607 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:39:33,611 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:39:33" (1/1) ... [2019-08-14 19:39:34,032 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:39:34,034 INFO L168 Benchmark]: Toolchain (without parser) took 1265.06 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.7 MB in the beginning and 123.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-08-14 19:39:34,035 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 19:39:34,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.08 ms. Allocated memory is still 132.6 MB. Free memory was 88.5 MB in the beginning and 76.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-14 19:39:34,037 INFO L168 Benchmark]: Boogie Preprocessor took 123.53 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 76.8 MB in the beginning and 176.0 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-14 19:39:34,038 INFO L168 Benchmark]: RCFGBuilder took 427.07 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 156.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-08-14 19:39:34,039 INFO L168 Benchmark]: Symbolic Interpretation took 425.28 ms. Allocated memory is still 200.3 MB. Free memory was 156.6 MB in the beginning and 123.8 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-08-14 19:39:34,043 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 62]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 117#(and (= main_~__tmp_1~0 main_~main____CPAchecker_TMP_2~0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0)). Possible FailurePath: - UnprovableResult [Line: 118]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 259#(and (or (and (= main_~main____CPAchecker_TMP_1~1 1) (= 0 main_~main____CPAchecker_TMP_2~1)) (and (= main_~main____CPAchecker_TMP_1~1 1) (= 1 main_~main____CPAchecker_TMP_2~1))) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_2~1) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 285.08 ms. Allocated memory is still 132.6 MB. Free memory was 88.5 MB in the beginning and 76.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.53 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 76.8 MB in the beginning and 176.0 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 427.07 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 156.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 425.28 ms. Allocated memory is still 200.3 MB. Free memory was 156.6 MB in the beginning and 123.8 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...