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/loops/string-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:18:18,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:18:18,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:18:18,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:18:18,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:18:18,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:18:18,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:18:18,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:18:18,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:18:18,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:18:18,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:18:18,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:18:18,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:18:18,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:18:18,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:18:18,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:18:18,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:18:18,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:18:18,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:18:18,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:18:18,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:18:18,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:18:18,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:18:18,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:18:18,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:18:18,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:18:18,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:18:18,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:18:18,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:18:18,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:18:18,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:18:18,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:18:18,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:18:18,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:18:18,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:18:18,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:18:18,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:18:18,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:18:18,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:18:18,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:18:18,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:18:18,617 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 20:18:18,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:18:18,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:18:18,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:18:18,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:18:18,647 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:18:18,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:18:18,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:18:18,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:18:18,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:18:18,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:18:18,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:18:18,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:18:18,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:18:18,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:18:18,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:18:18,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:18:18,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:18:18,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:18:18,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:18:18,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:18:18,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:18:18,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:18:18,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:18:18,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:18:18,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:18:18,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:18:18,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:18:18,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:18:18,655 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 20:18:18,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:18:18,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:18:18,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:18:18,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:18:18,714 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:18:18,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-2.i [2019-09-20 20:18:18,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255c1a46c/5b2791d06bf44c4d812c582c1bab9edc/FLAGf82b6bac4 [2019-09-20 20:18:19,236 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:18:19,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-2.i [2019-09-20 20:18:19,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255c1a46c/5b2791d06bf44c4d812c582c1bab9edc/FLAGf82b6bac4 [2019-09-20 20:18:19,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255c1a46c/5b2791d06bf44c4d812c582c1bab9edc [2019-09-20 20:18:19,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:18:19,621 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:18:19,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:18:19,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:18:19,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:18:19,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:18:19" (1/1) ... [2019-09-20 20:18:19,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b2446a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:19, skipping insertion in model container [2019-09-20 20:18:19,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:18:19" (1/1) ... [2019-09-20 20:18:19,637 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:18:19,657 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:18:19,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:18:19,942 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:18:20,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:18:20,114 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:18:20,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20 WrapperNode [2019-09-20 20:18:20,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:18:20,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:18:20,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:18:20,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:18:20,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20" (1/1) ... [2019-09-20 20:18:20,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20" (1/1) ... [2019-09-20 20:18:20,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20" (1/1) ... [2019-09-20 20:18:20,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20" (1/1) ... [2019-09-20 20:18:20,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20" (1/1) ... [2019-09-20 20:18:20,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20" (1/1) ... [2019-09-20 20:18:20,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20" (1/1) ... [2019-09-20 20:18:20,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:18:20,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:18:20,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:18:20,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:18:20,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:18:20" (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 20:18:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:18:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:18:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 20:18:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:18:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:18:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:18:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 20:18:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 20:18:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:18:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:18:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:18:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:18:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:18:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:18:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:18:20,732 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:18:20,733 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 20:18:20,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:18:20 BoogieIcfgContainer [2019-09-20 20:18:20,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:18:20,735 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:18:20,735 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:18:20,735 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:18:20,736 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:18:20" (1/1) ... [2019-09-20 20:18:20,737 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 20:18:20,760 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:18:20,761 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:18:20,769 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:18:20,781 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:18:20,783 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:18:20,940 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 20:18:23,121 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 20:18:23,790 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-20 20:18:24,449 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-20 20:18:24,859 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 20:18:25,269 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-20 20:18:25,458 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 20:18:25,475 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 20:18:25,488 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:18:25,488 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:18:25,490 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 142#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 20:18:25,501 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:18:25,501 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:18:25,503 INFO L168 Benchmark]: Toolchain (without parser) took 5881.82 ms. Allocated memory was 132.6 MB in the beginning and 262.7 MB in the end (delta: 130.0 MB). Free memory was 87.5 MB in the beginning and 120.9 MB in the end (delta: -33.4 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:25,503 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:18:25,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.72 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.5 MB in the beginning and 176.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:25,505 INFO L168 Benchmark]: Boogie Preprocessor took 71.31 ms. Allocated memory is still 200.8 MB. Free memory was 176.6 MB in the beginning and 174.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:25,506 INFO L168 Benchmark]: RCFGBuilder took 546.85 ms. Allocated memory is still 200.8 MB. Free memory was 174.8 MB in the beginning and 151.3 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:25,507 INFO L168 Benchmark]: Sifa took 4766.79 ms. Allocated memory was 200.8 MB in the beginning and 262.7 MB in the end (delta: 61.9 MB). Free memory was 150.4 MB in the beginning and 120.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-09-20 20:18:25,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 493.72 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.5 MB in the beginning and 176.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.31 ms. Allocated memory is still 200.8 MB. Free memory was 176.6 MB in the beginning and 174.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 546.85 ms. Allocated memory is still 200.8 MB. Free memory was 174.8 MB in the beginning and 151.3 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Sifa took 4766.79 ms. Allocated memory was 200.8 MB in the beginning and 262.7 MB in the end (delta: 61.9 MB). Free memory was 150.4 MB in the beginning and 120.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 91.4 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]: 4730, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 57, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 49, TOOLS_POST_TIME[ms]: 610, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 64, TOOLS_QUANTIFIERELIM_APPLICATIONS: 51, TOOLS_QUANTIFIERELIM_TIME[ms]: 664, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 367, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 75, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 23, DOMAIN_JOIN_TIME[ms]: 977, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 13, DOMAIN_WIDEN_TIME[ms]: 2942, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4497, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4495, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 48, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 162, DAG_COMPRESSION_RETAINED_NODES: 69 - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 142#(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...