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 IntervalDomain -i ../../../trunk/examples/svcomp/loops/matrix-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:05:16,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:05:16,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:05:16,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:05:16,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:05:16,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:05:16,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:05:16,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:05:16,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:05:16,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:05:16,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:05:16,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:05:16,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:05:16,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:05:16,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:05:16,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:05:16,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:05:16,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:05:16,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:05:16,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:05:16,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:05:16,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:05:16,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:05:16,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:05:16,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:05:16,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:05:16,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:05:16,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:05:16,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:05:16,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:05:16,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:05:16,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:05:16,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:05:16,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:05:16,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:05:16,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:05:16,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:05:16,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:05:16,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:05:16,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:05:16,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:05:16,530 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 [2019-09-06 09:05:16,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:05:16,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:05:16,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:05:16,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:05:16,547 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:05:16,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:05:16,548 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:05:16,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:05:16,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:05:16,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:05:16,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:05:16,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:05:16,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:05:16,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:05:16,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:05:16,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:05:16,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:05:16,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:05:16,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:05:16,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:05:16,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:05:16,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:05:16,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:05:16,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:05:16,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:05:16,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:05:16,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:05:16,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:05:16,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 09:05:16,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:05:16,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:05:16,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:05:16,615 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:05:16,617 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:05:16,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-2.c [2019-09-06 09:05:16,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2f1b2b5/6e9f192b814649f0bf1919f29bfdc809/FLAG88ebf2cb6 [2019-09-06 09:05:17,133 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:05:17,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-2.c [2019-09-06 09:05:17,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2f1b2b5/6e9f192b814649f0bf1919f29bfdc809/FLAG88ebf2cb6 [2019-09-06 09:05:17,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2f1b2b5/6e9f192b814649f0bf1919f29bfdc809 [2019-09-06 09:05:17,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:05:17,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:05:17,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:05:17,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:05:17,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:05:17,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428dcc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17, skipping insertion in model container [2019-09-06 09:05:17,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:05:17,574 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:05:17,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:05:17,759 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:05:17,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:05:17,808 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:05:17,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17 WrapperNode [2019-09-06 09:05:17,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:05:17,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:05:17,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:05:17,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:05:17,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17" (1/1) ... [2019-09-06 09:05:17,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:05:17,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:05:17,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:05:17,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:05:17,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:05:17" (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 [2019-09-06 09:05:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:05:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:05:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 09:05:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:05:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:05:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:05:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-06 09:05:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:05:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:05:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 09:05:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 09:05:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 09:05:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:05:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:05:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:05:18,346 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:05:18,346 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-06 09:05:18,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:05:18 BoogieIcfgContainer [2019-09-06 09:05:18,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:05:18,348 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:05:18,348 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:05:18,349 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:05:18,350 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:05:18" (1/1) ... [2019-09-06 09:05:18,350 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 09:05:18,375 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:05:18,375 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:05:18,383 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:05:18,393 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:05:18,394 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:05:18,483 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-06 09:05:18,930 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 09:05:18,951 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 09:05:19,048 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 09:05:19,091 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 09:05:19,248 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 09:05:19,496 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 09:05:19,601 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 09:05:19,613 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 09:05:19,931 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-06 09:05:19,932 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:05:19,932 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:05:19,935 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 175#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 09:05:19,948 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:05:19,948 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:05:19,950 INFO L168 Benchmark]: Toolchain (without parser) took 2412.46 ms. Allocated memory was 140.5 MB in the beginning and 226.5 MB in the end (delta: 86.0 MB). Free memory was 88.0 MB in the beginning and 186.4 MB in the end (delta: -98.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 09:05:19,951 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 09:05:19,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.71 ms. Allocated memory is still 140.5 MB. Free memory was 88.0 MB in the beginning and 77.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-06 09:05:19,953 INFO L168 Benchmark]: Boogie Preprocessor took 144.92 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 77.6 MB in the beginning and 177.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-06 09:05:19,953 INFO L168 Benchmark]: RCFGBuilder took 393.31 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 160.4 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:05:19,955 INFO L168 Benchmark]: Sifa took 1600.27 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.4 MB in the beginning and 186.4 MB in the end (delta: -26.0 MB). Peak memory consumption was 177.4 kB. Max. memory is 7.1 GB. [2019-09-06 09:05:19,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.71 ms. Allocated memory is still 140.5 MB. Free memory was 88.0 MB in the beginning and 77.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.92 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 77.6 MB in the beginning and 177.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 393.31 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 160.4 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Sifa took 1600.27 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.4 MB in the beginning and 186.4 MB in the end (delta: -26.0 MB). Peak memory consumption was 177.4 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1560, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 133, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 106, TOOLS_POST_TIME[ms]: 960, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 58, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_TIME[ms]: 979, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 148, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 84, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 15, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 269, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 863, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 862, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 303, DAG_COMPRESSION_RETAINED_NODES: 143 - UnprovableResult [Line: 5]: 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 175#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...