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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/egcd.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:27:16,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:27:16,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:27:16,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:27:16,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:27:16,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:27:16,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:27:16,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:27:16,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:27:16,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:27:16,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:27:16,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:27:16,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:27:16,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:27:16,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:27:16,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:27:16,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:27:16,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:27:16,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:27:16,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:27:16,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:27:16,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:27:16,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:27:16,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:27:16,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:27:16,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:27:16,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:27:16,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:27:16,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:27:16,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:27:16,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:27:16,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:27:16,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:27:16,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:27:16,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:27:16,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:27:16,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:27:16,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:27:16,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:27:16,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:27:16,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:27:16,609 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 [2019-09-20 16:27:16,630 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:27:16,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:27:16,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:27:16,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:27:16,634 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:27:16,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:27:16,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:27:16,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:27:16,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:27:16,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:27:16,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:27:16,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:27:16,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:27:16,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:27:16,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:27:16,637 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:27:16,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:27:16,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:27:16,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:27:16,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:27:16,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:27:16,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:27:16,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:27:16,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:27:16,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:27:16,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:27:16,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:27:16,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:27:16,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:27:16,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:27:16,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:27:16,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:27:16,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:27:16,708 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:27:16,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/egcd.c [2019-09-20 16:27:16,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f667205e7/8589e75ca7144d738fda70dabb85ee7d/FLAGb189a1a59 [2019-09-20 16:27:17,278 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:27:17,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/egcd.c [2019-09-20 16:27:17,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f667205e7/8589e75ca7144d738fda70dabb85ee7d/FLAGb189a1a59 [2019-09-20 16:27:17,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f667205e7/8589e75ca7144d738fda70dabb85ee7d [2019-09-20 16:27:17,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:27:17,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:27:17,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:17,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:27:17,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:27:17,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:17,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb211c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17, skipping insertion in model container [2019-09-20 16:27:17,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:17,654 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:27:17,673 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:27:17,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:17,876 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:27:17,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:17,910 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:27:17,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17 WrapperNode [2019-09-20 16:27:17,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:17,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:27:17,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:27:17,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:27:18,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:18,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:18,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:18,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:18,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:18,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:18,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17" (1/1) ... [2019-09-20 16:27:18,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:27:18,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:27:18,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:27:18,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:27:18,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:17" (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 [2019-09-20 16:27:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:27:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:27:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 16:27:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:27:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:27:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:27:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 16:27:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 16:27:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:27:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:27:18,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:27:18,361 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:27:18,362 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 16:27:18,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:18 BoogieIcfgContainer [2019-09-20 16:27:18,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:27:18,364 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:27:18,364 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:27:18,365 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:27:18,366 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:18" (1/1) ... [2019-09-20 16:27:18,366 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:27:18,390 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:27:18,391 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:27:18,398 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:27:18,408 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:27:18,409 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:27:18,471 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 16:27:18,819 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-09-20 16:27:18,968 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 16:27:23,177 WARN L191 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-09-20 16:27:23,358 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-20 16:27:24,018 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 16:27:24,028 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:27:24,028 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:27:24,031 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 92#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-20 16:27:24,050 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:27:24,051 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:27:24,054 INFO L168 Benchmark]: Toolchain (without parser) took 6414.46 ms. Allocated memory was 133.7 MB in the beginning and 227.5 MB in the end (delta: 93.8 MB). Free memory was 89.4 MB in the beginning and 127.4 MB in the end (delta: -38.0 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:24,057 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:27:24,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.44 ms. Allocated memory is still 133.7 MB. Free memory was 89.0 MB in the beginning and 78.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:24,060 INFO L168 Benchmark]: Boogie Preprocessor took 125.65 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 78.8 MB in the beginning and 177.9 MB in the end (delta: -99.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:24,061 INFO L168 Benchmark]: RCFGBuilder took 326.09 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 162.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:24,069 INFO L168 Benchmark]: Sifa took 5686.78 ms. Allocated memory was 201.9 MB in the beginning and 227.5 MB in the end (delta: 25.7 MB). Free memory was 162.8 MB in the beginning and 127.4 MB in the end (delta: 35.4 MB). Peak memory consumption was 61.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:24,080 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.44 ms. Allocated memory is still 133.7 MB. Free memory was 89.0 MB in the beginning and 78.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.65 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 78.8 MB in the beginning and 177.9 MB in the end (delta: -99.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.09 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 162.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Sifa took 5686.78 ms. Allocated memory was 201.9 MB in the beginning and 227.5 MB in the end (delta: 25.7 MB). Free memory was 162.8 MB in the beginning and 127.4 MB in the end (delta: 35.4 MB). Peak memory consumption was 61.1 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]: 5641, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 53, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 22, TOOLS_POST_TIME[ms]: 46, TOOLS_POST_CALL_APPLICATIONS: 29, TOOLS_POST_CALL_TIME[ms]: 5008, TOOLS_POST_RETURN_APPLICATIONS: 21, TOOLS_POST_RETURN_TIME[ms]: 37, TOOLS_QUANTIFIERELIM_APPLICATIONS: 72, TOOLS_QUANTIFIERELIM_TIME[ms]: 5043, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4380, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 56, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 402, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME[ms]: 31, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5202, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5201, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 21, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 37, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 36, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, 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 92#(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...