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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/fermat2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:19:50,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:19:50,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:19:50,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:19:50,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:19:50,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:19:50,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:19:50,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:19:50,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:19:50,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:19:50,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:19:50,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:19:50,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:19:50,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:19:50,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:19:50,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:19:50,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:19:50,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:19:50,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:19:50,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:19:50,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:19:50,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:19:50,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:19:50,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:19:50,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:19:50,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:19:50,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:19:50,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:19:50,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:19:50,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:19:50,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:19:50,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:19:50,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:19:50,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:19:50,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:19:50,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:19:50,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:19:50,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:19:50,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:19:50,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:19:50,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:19:50,447 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 20:19:50,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:19:50,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:19:50,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:19:50,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:19:50,464 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:19:50,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:19:50,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:19:50,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:19:50,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:19:50,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:19:50,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:19:50,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:19:50,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:19:50,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:19:50,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:19:50,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:19:50,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:19:50,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:19:50,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:19:50,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:19:50,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:19:50,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:19:50,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:19:50,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:19:50,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:19:50,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:19:50,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:19:50,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:19:50,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> ReUseSupersetCallSummarizer 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 20:19:50,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:19:50,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:19:50,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:19:50,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:19:50,518 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:19:50,519 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/fermat2.c [2019-09-20 20:19:50,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d470bba82/266c437075544a7fb90483dcfcfda143/FLAG0cb3c5c6d [2019-09-20 20:19:51,043 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:19:51,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/fermat2.c [2019-09-20 20:19:51,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d470bba82/266c437075544a7fb90483dcfcfda143/FLAG0cb3c5c6d [2019-09-20 20:19:51,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d470bba82/266c437075544a7fb90483dcfcfda143 [2019-09-20 20:19:51,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:19:51,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:19:51,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:51,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:19:51,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:19:51,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521750fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51, skipping insertion in model container [2019-09-20 20:19:51,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,444 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:19:51,465 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:19:51,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:51,653 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:19:51,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:51,690 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:19:51,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51 WrapperNode [2019-09-20 20:19:51,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:51,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:19:51,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:19:51,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:19:51,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (1/1) ... [2019-09-20 20:19:51,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:19:51,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:19:51,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:19:51,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:19:51,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:51" (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 20:19:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:19:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:19:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 20:19:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:19:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:19:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-20 20:19:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:19:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 20:19:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:19:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:19:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:19:52,155 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:19:52,155 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 20:19:52,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:52 BoogieIcfgContainer [2019-09-20 20:19:52,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:19:52,157 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:19:52,157 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:19:52,158 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:19:52,159 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:52" (1/1) ... [2019-09-20 20:19:52,162 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:19:52,202 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:19:52,202 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:19:52,209 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:19:52,222 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:19:52,224 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:19:52,277 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 20:19:52,584 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-20 20:19:52,789 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 20:19:52,907 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 20:19:53,418 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2019-09-20 20:19:53,666 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 20:19:53,893 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 20:19:54,083 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 20:19:54,138 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 20:19:54,156 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:19:54,156 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:19:54,158 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 70#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 20:19:54,175 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:19:54,175 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:19:54,177 INFO L168 Benchmark]: Toolchain (without parser) took 2747.86 ms. Allocated memory was 134.7 MB in the beginning and 229.6 MB in the end (delta: 94.9 MB). Free memory was 90.3 MB in the beginning and 160.4 MB in the end (delta: -70.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:54,178 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 20:19:54,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.47 ms. Allocated memory is still 134.7 MB. Free memory was 90.1 MB in the beginning and 80.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:54,180 INFO L168 Benchmark]: Boogie Preprocessor took 120.36 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 80.4 MB in the beginning and 177.9 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:54,181 INFO L168 Benchmark]: RCFGBuilder took 344.18 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 163.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:54,182 INFO L168 Benchmark]: Sifa took 2017.76 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 163.9 MB in the beginning and 160.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:54,186 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 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.47 ms. Allocated memory is still 134.7 MB. Free memory was 90.1 MB in the beginning and 80.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.36 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 80.4 MB in the beginning and 177.9 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 344.18 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 163.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Sifa took 2017.76 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 163.9 MB in the beginning and 160.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 31.8 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]: 1956, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 28, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 129, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_APPLICATIONS: 37, TOOLS_QUANTIFIERELIM_TIME[ms]: 145, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 69, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 36, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 1214, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 474, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1815, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1814, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 131, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 58, DAG_COMPRESSION_RETAINED_NODES: 34 - UnprovableResult [Line: 9]: 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 70#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...