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 --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/nec20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:17:56,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:17:56,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:17:56,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:17:56,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:17:56,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:17:56,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:17:56,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:17:56,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:17:56,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:17:56,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:17:56,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:17:56,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:17:56,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:17:56,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:17:56,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:17:56,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:17:56,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:17:56,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:17:56,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:17:56,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:17:56,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:17:56,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:17:56,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:17:56,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:17:56,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:17:56,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:17:56,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:17:56,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:17:56,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:17:56,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:17:56,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:17:56,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:17:56,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:17:56,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:17:56,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:17:56,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:17:56,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:17:56,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:17:56,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:17:56,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:17:56,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 16:17:56,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:17:56,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:17:56,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:17:56,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:17:56,662 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:17:56,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:17:56,662 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:17:56,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:17:56,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:17:56,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:17:56,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:17:56,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:17:56,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:17:56,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:17:56,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:17:56,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:17:56,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:17:56,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:17:56,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:17:56,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:17:56,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:17:56,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:17:56,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:17:56,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:17:56,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:17:56,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:17:56,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:17:56,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:17:56,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:17:56,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:17:56,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:17:56,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:17:56,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:17:56,717 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:17:56,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec20.c [2019-09-25 16:17:56,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c7828be7/b56bad28e681402a85db770f61ed49b3/FLAGfcca90f72 [2019-09-25 16:17:57,218 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:17:57,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec20.c [2019-09-25 16:17:57,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c7828be7/b56bad28e681402a85db770f61ed49b3/FLAGfcca90f72 [2019-09-25 16:17:57,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c7828be7/b56bad28e681402a85db770f61ed49b3 [2019-09-25 16:17:57,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:17:57,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:17:57,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:17:57,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:17:57,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:17:57,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:57,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f77762e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57, skipping insertion in model container [2019-09-25 16:17:57,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:57,673 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:17:57,695 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:17:57,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:17:57,897 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:17:57,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:17:57,931 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:17:57,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57 WrapperNode [2019-09-25 16:17:57,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:17:57,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:17:57,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:17:57,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:17:58,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:58,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:58,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:58,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:58,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:58,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:58,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57" (1/1) ... [2019-09-25 16:17:58,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:17:58,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:17:58,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:17:58,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:17:58,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:17:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:17:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:17:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:17:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-25 16:17:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:17:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:17:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-25 16:17:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 16:17:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-25 16:17:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:17:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:17:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:17:58,445 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:17:58,446 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 16:17:58,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:17:58 BoogieIcfgContainer [2019-09-25 16:17:58,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:17:58,448 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:17:58,448 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:17:58,448 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:17:58,449 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:17:58" (1/1) ... [2019-09-25 16:17:58,450 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 16:17:58,482 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:17:58,482 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:17:58,494 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:17:58,507 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:17:58,509 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:17:58,617 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 6 for LOIs [2019-09-25 16:17:58,976 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 11 for LOIs [2019-09-25 16:17:59,002 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:17:59,003 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:17:59,005 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 41#(and (<= __VERIFIER_assert_~cond 0) (or (and (= ~b~0 0) (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= ~b~0 0) (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 0 ~b~0) (<= ~b~0 0)) [2019-09-25 16:17:59,018 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:17:59,019 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:17:59,021 INFO L168 Benchmark]: Toolchain (without parser) took 1366.82 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 87.1 MB in the beginning and 136.0 MB in the end (delta: -48.9 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-25 16:17:59,022 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:17:59,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.00 ms. Allocated memory is still 139.5 MB. Free memory was 86.9 MB in the beginning and 77.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-25 16:17:59,024 INFO L168 Benchmark]: Boogie Preprocessor took 111.34 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.1 MB in the beginning and 175.5 MB in the end (delta: -98.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-25 16:17:59,025 INFO L168 Benchmark]: RCFGBuilder took 402.86 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 158.6 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:17:59,026 INFO L168 Benchmark]: Sifa took 571.21 ms. Allocated memory is still 198.7 MB. Free memory was 158.6 MB in the beginning and 136.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-25 16:17:59,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.00 ms. Allocated memory is still 139.5 MB. Free memory was 86.9 MB in the beginning and 77.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.34 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.1 MB in the beginning and 175.5 MB in the end (delta: -98.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 402.86 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 158.6 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * Sifa took 571.21 ms. Allocated memory is still 198.7 MB. Free memory was 158.6 MB in the beginning and 136.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 523, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 122, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 34, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 145, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 109, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 15, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 196, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 69, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 220, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 220, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 60, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 59, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 48, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 6]: 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 41#(and (<= __VERIFIER_assert_~cond 0) (or (and (= ~b~0 0) (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= ~b~0 0) (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 0 ~b~0) (<= ~b~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...