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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:45:55,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:45:55,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:45:55,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:45:55,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:45:55,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:45:55,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:45:55,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:45:55,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:45:55,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:45:55,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:45:55,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:45:55,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:45:55,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:45:55,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:45:55,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:45:55,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:45:55,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:45:55,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:45:55,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:45:55,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:45:55,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:45:55,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:45:55,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:45:55,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:45:55,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:45:56,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:45:56,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:45:56,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:45:56,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:45:56,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:45:56,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:45:56,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:45:56,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:45:56,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:45:56,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:45:56,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:45:56,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:45:56,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:45:56,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:45:56,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:45:56,009 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 [2019-09-16 17:45:56,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:45:56,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:45:56,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 17:45:56,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 17:45:56,024 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 17:45:56,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:45:56,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:45:56,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 17:45:56,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:45:56,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:45:56,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:45:56,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:45:56,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:45:56,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:45:56,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:45:56,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 17:45:56,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:45:56,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:45:56,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:45:56,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 17:45:56,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 17:45:56,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:45:56,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:45:56,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:45:56,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 17:45:56,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 17:45:56,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:45:56,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 17:45:56,029 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 -> 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 [2019-09-16 17:45:56,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:45:56,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:45:56,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:45:56,079 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:45:56,079 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:45:56,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-09-16 17:45:56,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd29989d2/1680064ecfef4a848f5ad0dc9c9e40d6/FLAG041248e73 [2019-09-16 17:45:56,574 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:45:56,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-09-16 17:45:56,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd29989d2/1680064ecfef4a848f5ad0dc9c9e40d6/FLAG041248e73 [2019-09-16 17:45:56,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd29989d2/1680064ecfef4a848f5ad0dc9c9e40d6 [2019-09-16 17:45:57,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:45:57,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:45:57,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:45:57,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:45:57,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:45:57,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:45:56" (1/1) ... [2019-09-16 17:45:57,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2686e1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57, skipping insertion in model container [2019-09-16 17:45:57,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:45:56" (1/1) ... [2019-09-16 17:45:57,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:45:57,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:45:57,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:45:57,194 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:45:57,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:45:57,222 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:45:57,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57 WrapperNode [2019-09-16 17:45:57,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:45:57,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:45:57,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:45:57,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:45:57,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57" (1/1) ... [2019-09-16 17:45:57,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57" (1/1) ... [2019-09-16 17:45:57,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57" (1/1) ... [2019-09-16 17:45:57,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57" (1/1) ... [2019-09-16 17:45:57,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57" (1/1) ... [2019-09-16 17:45:57,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57" (1/1) ... [2019-09-16 17:45:57,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57" (1/1) ... [2019-09-16 17:45:57,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:45:57,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:45:57,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:45:57,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:45:57,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:57" (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 [2019-09-16 17:45:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:45:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:45:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:45:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:45:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:45:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:45:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:45:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:45:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:45:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:45:57,559 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:45:57,559 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:45:57,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:45:57 BoogieIcfgContainer [2019-09-16 17:45:57,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:45:57,561 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 17:45:57,562 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 17:45:57,562 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 17:45:57,563 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:45:57" (1/1) ... [2019-09-16 17:45:57,564 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 [2019-09-16 17:45:57,587 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 17:45:57,587 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 17:45:57,606 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 17:45:57,623 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 17:45:57,627 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 17:45:57,738 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-16 17:45:57,992 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-09-16 17:45:58,315 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-16 17:45:58,516 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-16 17:45:58,733 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-16 17:45:58,945 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-16 17:45:59,168 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2019-09-16 17:45:59,410 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-16 17:45:59,699 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2019-09-16 17:45:59,753 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 17:45:59,753 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 17:45:59,761 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 47#(and (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (< main_~main__x~0 0))) [2019-09-16 17:45:59,780 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 17:45:59,781 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 17:45:59,785 INFO L168 Benchmark]: Toolchain (without parser) took 2777.09 ms. Allocated memory was 137.9 MB in the beginning and 270.0 MB in the end (delta: 132.1 MB). Free memory was 84.0 MB in the beginning and 234.9 MB in the end (delta: -150.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:45:59,791 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:45:59,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.18 ms. Allocated memory is still 137.9 MB. Free memory was 83.8 MB in the beginning and 74.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:59,794 INFO L168 Benchmark]: Boogie Preprocessor took 110.22 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.4 MB in the beginning and 175.9 MB in the end (delta: -101.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:59,795 INFO L168 Benchmark]: RCFGBuilder took 227.39 ms. Allocated memory is still 198.2 MB. Free memory was 175.9 MB in the beginning and 164.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:59,806 INFO L168 Benchmark]: Sifa took 2219.40 ms. Allocated memory was 198.2 MB in the beginning and 270.0 MB in the end (delta: 71.8 MB). Free memory was 164.2 MB in the beginning and 234.9 MB in the end (delta: -70.7 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:59,819 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 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 216.18 ms. Allocated memory is still 137.9 MB. Free memory was 83.8 MB in the beginning and 74.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.22 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.4 MB in the beginning and 175.9 MB in the end (delta: -101.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 227.39 ms. Allocated memory is still 198.2 MB. Free memory was 175.9 MB in the beginning and 164.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Sifa took 2219.40 ms. Allocated memory was 198.2 MB in the beginning and 270.0 MB in the end (delta: 71.8 MB). Free memory was 164.2 MB in the beginning and 234.9 MB in the end (delta: -70.7 MB). Peak memory consumption was 1.2 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]: 2174, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 88, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 85, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 22, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 877, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1050, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1976, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1975, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, 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]: 8, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 25 - 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 47#(and (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (< main_~main__x~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...