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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/nla-digbench/egcd.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:28:49,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:28:49,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:28:49,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:28:49,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:28:49,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:28:49,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:28:49,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:28:49,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:28:49,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:28:49,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:28:49,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:28:49,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:28:49,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:28:49,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:28:49,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:28:49,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:28:49,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:28:49,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:28:49,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:28:49,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:28:49,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:28:49,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:28:49,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:28:49,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:28:49,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:28:49,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:28:49,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:28:49,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:28:49,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:28:49,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:28:49,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:28:49,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:28:49,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:28:49,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:28:49,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:28:49,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:28:49,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:28:49,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:28:49,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:28:49,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:28:49,456 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 [2019-10-04 09:28:49,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:28:49,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:28:49,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:28:49,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:28:49,473 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:28:49,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:28:49,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:28:49,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:28:49,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:28:49,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:28:49,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:28:49,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:28:49,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:28:49,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:28:49,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:28:49,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:28:49,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:28:49,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:28:49,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:28:49,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:28:49,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:28:49,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:28:49,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:28:49,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:28:49,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:28:49,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:28:49,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:28:49,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:28:49,478 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 09:28:49,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:28:49,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:28:49,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:28:49,527 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:28:49,527 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:28:49,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/egcd.c [2019-10-04 09:28:49,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e713c1d7/814ebc33bd1941388b41938c9ade9ebe/FLAG70b0036eb [2019-10-04 09:28:50,069 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:28:50,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/egcd.c [2019-10-04 09:28:50,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e713c1d7/814ebc33bd1941388b41938c9ade9ebe/FLAG70b0036eb [2019-10-04 09:28:50,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e713c1d7/814ebc33bd1941388b41938c9ade9ebe [2019-10-04 09:28:50,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:28:50,458 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:28:50,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:28:50,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:28:50,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:28:50,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb48428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50, skipping insertion in model container [2019-10-04 09:28:50,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,473 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:28:50,490 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:28:50,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:28:50,660 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:28:50,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:28:50,695 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:28:50,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50 WrapperNode [2019-10-04 09:28:50,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:28:50,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:28:50,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:28:50,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:28:50,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50" (1/1) ... [2019-10-04 09:28:50,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:28:50,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:28:50,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:28:50,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:28:50,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:50" (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 [2019-10-04 09:28:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:28:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:28:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-04 09:28:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:28:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:28:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:28:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 09:28:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:28:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:28:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:28:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:28:51,162 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:28:51,163 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 09:28:51,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:28:51 BoogieIcfgContainer [2019-10-04 09:28:51,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:28:51,165 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:28:51,165 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:28:51,170 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:28:51,172 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:28:51" (1/1) ... [2019-10-04 09:28:51,174 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 [2019-10-04 09:28:51,208 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:28:51,209 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:28:51,216 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:28:51,225 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:28:51,227 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:28:51,319 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-04 09:28:52,490 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-10-04 09:28:52,498 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:28:52,498 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:28:52,500 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 188#(and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 __VERIFIER_assert_~cond)) [2019-10-04 09:28:52,513 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:28:52,513 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:28:52,516 INFO L168 Benchmark]: Toolchain (without parser) took 2057.44 ms. Allocated memory was 131.6 MB in the beginning and 221.2 MB in the end (delta: 89.7 MB). Free memory was 86.4 MB in the beginning and 171.3 MB in the end (delta: -84.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:52,517 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 09:28:52,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.30 ms. Allocated memory is still 131.6 MB. Free memory was 86.0 MB in the beginning and 76.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:52,519 INFO L168 Benchmark]: Boogie Preprocessor took 126.61 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 76.2 MB in the beginning and 175.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:52,520 INFO L168 Benchmark]: RCFGBuilder took 340.77 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 159.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:52,521 INFO L168 Benchmark]: Sifa took 1348.81 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 159.8 MB in the beginning and 171.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:52,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.30 ms. Allocated memory is still 131.6 MB. Free memory was 86.0 MB in the beginning and 76.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.61 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 76.2 MB in the beginning and 175.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.77 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 159.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Sifa took 1348.81 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 159.8 MB in the beginning and 171.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.5 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]: 1292, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 58, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 59, TOOLS_POST_CALL_APPLICATIONS: 32, TOOLS_POST_CALL_TIME[ms]: 556, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 80, TOOLS_QUANTIFIERELIM_TIME[ms]: 606, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 104, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 62, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 384, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 115, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME[ms]: 23, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 863, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 863, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 81, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 81, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 61 - UnprovableResult [Line: 8]: 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 188#(and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...