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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:24:03,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:24:03,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:24:03,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:24:03,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:24:03,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:24:03,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:24:03,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:24:03,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:24:03,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:24:03,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:24:03,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:24:03,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:24:03,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:24:03,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:24:03,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:24:03,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:24:03,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:24:03,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:24:03,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:24:03,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:24:03,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:24:03,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:24:03,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:24:03,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:24:03,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:24:03,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:24:03,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:24:03,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:24:03,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:24:03,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:24:03,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:24:03,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:24:03,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:24:03,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:24:03,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:24:03,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:24:03,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:24:03,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:24:03,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:24:03,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:24:03,707 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 18:24:03,722 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:24:03,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:24:03,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:24:03,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:24:03,723 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:24:03,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:24:03,724 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:24:03,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:24:03,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:24:03,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:24:03,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:24:03,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:24:03,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:24:03,725 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:24:03,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:24:03,726 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:24:03,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:24:03,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:24:03,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:24:03,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:24:03,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:24:03,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:24:03,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:24:03,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:24:03,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:24:03,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:24:03,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:24:03,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:24:03,728 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 -> SequenceOfStatements 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 18:24:03,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:24:03,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:24:03,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:24:03,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:24:03,804 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:24:03,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 18:24:03,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5738a5132/94dafb5c023c40699221ca61405fb7e6/FLAGa45232607 [2019-09-20 18:24:04,335 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:24:04,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 18:24:04,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5738a5132/94dafb5c023c40699221ca61405fb7e6/FLAGa45232607 [2019-09-20 18:24:04,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5738a5132/94dafb5c023c40699221ca61405fb7e6 [2019-09-20 18:24:04,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:24:04,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:24:04,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:24:04,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:24:04,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:24:04,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:24:04" (1/1) ... [2019-09-20 18:24:04,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cab7448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:04, skipping insertion in model container [2019-09-20 18:24:04,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:24:04" (1/1) ... [2019-09-20 18:24:04,762 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:24:04,785 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:24:05,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:24:05,060 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:24:05,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:24:05,107 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:24:05,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05 WrapperNode [2019-09-20 18:24:05,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:24:05,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:24:05,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:24:05,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:24:05,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05" (1/1) ... [2019-09-20 18:24:05,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05" (1/1) ... [2019-09-20 18:24:05,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05" (1/1) ... [2019-09-20 18:24:05,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05" (1/1) ... [2019-09-20 18:24:05,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05" (1/1) ... [2019-09-20 18:24:05,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05" (1/1) ... [2019-09-20 18:24:05,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05" (1/1) ... [2019-09-20 18:24:05,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:24:05,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:24:05,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:24:05,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:24:05,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:05" (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 18:24:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:24:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:24:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:24:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:24:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 18:24:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:24:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:24:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:24:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:24:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:24:05,515 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:24:05,515 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 18:24:05,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:24:05 BoogieIcfgContainer [2019-09-20 18:24:05,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:24:05,517 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:24:05,517 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:24:05,518 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:24:05,519 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:24:05" (1/1) ... [2019-09-20 18:24:05,519 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:24:05,542 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-20 18:24:05,542 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:24:05,549 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:24:05,558 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:24:05,559 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:24:05,645 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 18:24:05,915 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-09-20 18:24:06,126 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 18:24:06,411 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-20 18:24:06,673 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 18:24:07,036 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2019-09-20 18:24:07,347 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 18:24:07,566 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:24:07,566 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:24:07,568 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 85#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-20 18:24:07,569 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 75#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)) [2019-09-20 18:24:07,569 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 20#false [2019-09-20 18:24:07,587 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:24:07,587 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:24:07,589 INFO L168 Benchmark]: Toolchain (without parser) took 2843.28 ms. Allocated memory was 133.7 MB in the beginning and 259.0 MB in the end (delta: 125.3 MB). Free memory was 88.1 MB in the beginning and 195.1 MB in the end (delta: -107.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:24:07,590 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 18:24:07,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.09 ms. Allocated memory is still 133.7 MB. Free memory was 87.9 MB in the beginning and 78.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:24:07,592 INFO L168 Benchmark]: Boogie Preprocessor took 148.06 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 78.2 MB in the beginning and 177.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:24:07,594 INFO L168 Benchmark]: RCFGBuilder took 259.91 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 164.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:24:07,595 INFO L168 Benchmark]: Sifa took 2070.17 ms. Allocated memory was 201.3 MB in the beginning and 259.0 MB in the end (delta: 57.7 MB). Free memory was 164.3 MB in the beginning and 195.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:24:07,599 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.09 ms. Allocated memory is still 133.7 MB. Free memory was 87.9 MB in the beginning and 78.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.06 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 78.2 MB in the beginning and 177.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.91 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 164.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Sifa took 2070.17 ms. Allocated memory was 201.3 MB in the beginning and 259.0 MB in the end (delta: 57.7 MB). Free memory was 164.3 MB in the beginning and 195.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 26.8 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]: 2028, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 52, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 43, TOOLS_POST_TIME[ms]: 101, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 62, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 1069, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 734, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1798, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1797, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 112, DAG_COMPRESSION_RETAINED_NODES: 48 - UnprovableResult [Line: 59]: 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 85#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: - UnprovableResult [Line: 43]: 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 75#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)). Possible FailurePath: - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...