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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:27:49,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:27:49,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:27:49,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:27:49,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:27:49,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:27:49,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:27:49,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:27:49,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:27:49,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:27:49,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:27:49,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:27:49,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:27:49,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:27:49,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:27:49,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:27:49,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:27:49,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:27:49,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:27:49,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:27:49,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:27:49,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:27:49,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:27:49,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:27:49,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:27:49,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:27:49,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:27:49,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:27:49,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:27:49,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:27:49,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:27:49,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:27:49,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:27:49,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:27:49,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:27:49,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:27:49,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:27:49,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:27:49,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:27:49,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:27:49,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:27:49,745 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 [2019-10-04 09:27:49,759 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:27:49,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:27:49,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:27:49,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:27:49,761 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:27:49,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:27:49,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:27:49,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:27:49,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:27:49,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:27:49,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:27:49,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:27:49,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:27:49,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:27:49,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:27:49,763 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:27:49,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:27:49,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:27:49,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:27:49,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:27:49,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:27:49,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:27:49,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:27:49,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:27:49,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:27:49,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:27:49,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:27:49,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:27:49,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 09:27:49,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:27:49,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:27:49,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:27:49,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:27:49,816 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:27:49,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-10-04 09:27:49,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5948b9735/666439cebbe4418d9da8a96701294e2f/FLAGc96dea9c8 [2019-10-04 09:27:50,308 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:27:50,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-10-04 09:27:50,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5948b9735/666439cebbe4418d9da8a96701294e2f/FLAGc96dea9c8 [2019-10-04 09:27:50,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5948b9735/666439cebbe4418d9da8a96701294e2f [2019-10-04 09:27:50,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:27:50,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:27:50,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:50,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:27:50,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:27:50,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:50" (1/1) ... [2019-10-04 09:27:50,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98dacbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:50, skipping insertion in model container [2019-10-04 09:27:50,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:50" (1/1) ... [2019-10-04 09:27:50,754 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:27:50,775 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:27:50,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:50,995 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:27:51,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:51,029 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:27:51,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51 WrapperNode [2019-10-04 09:27:51,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:51,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:27:51,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:27:51,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:27:51,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51" (1/1) ... [2019-10-04 09:27:51,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51" (1/1) ... [2019-10-04 09:27:51,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51" (1/1) ... [2019-10-04 09:27:51,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51" (1/1) ... [2019-10-04 09:27:51,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51" (1/1) ... [2019-10-04 09:27:51,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51" (1/1) ... [2019-10-04 09:27:51,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51" (1/1) ... [2019-10-04 09:27:51,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:27:51,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:27:51,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:27:51,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:27:51,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:51" (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 [2019-10-04 09:27:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:27:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:27:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:27:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:27:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 09:27:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:27:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:27:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:27:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:27:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:27:51,391 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:27:51,391 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 09:27:51,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:51 BoogieIcfgContainer [2019-10-04 09:27:51,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:27:51,393 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:27:51,393 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:27:51,393 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:27:51,395 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:51" (1/1) ... [2019-10-04 09:27:51,395 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 09:27:51,421 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:27:51,422 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:27:51,430 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:27:51,450 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:27:51,455 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:27:51,633 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-10-04 09:27:52,110 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:27:52,111 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:27:52,114 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 49#(and (<= 0 ~__return_144~0) (<= ~__return_144~0 0) (<= 0 main_~main__x~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_main~0 0) (= |old(~__return_144~0)| 0) (<= |old(~__return_144~0)| 0) (<= 0 (+ main_~main__y~0 1000)) (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (= ~__return_main~0 0) (<= 0 main_~__tmp_1~0) (not (< main_~main__x~0 0)) (<= 0 |old(~__return_144~0)|)) [2019-10-04 09:27:52,136 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:27:52,136 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:27:52,140 INFO L168 Benchmark]: Toolchain (without parser) took 1401.51 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 84.6 MB in the beginning and 128.8 MB in the end (delta: -44.1 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:52,141 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory is still 102.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 09:27:52,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.25 ms. Allocated memory is still 136.8 MB. Free memory was 84.2 MB in the beginning and 74.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:52,144 INFO L168 Benchmark]: Boogie Preprocessor took 125.64 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 74.7 MB in the beginning and 175.4 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:52,145 INFO L168 Benchmark]: RCFGBuilder took 236.51 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 163.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:52,146 INFO L168 Benchmark]: Sifa took 743.25 ms. Allocated memory is still 198.2 MB. Free memory was 163.4 MB in the beginning and 128.8 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:52,157 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 136.8 MB. Free memory is still 102.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 290.25 ms. Allocated memory is still 136.8 MB. Free memory was 84.2 MB in the beginning and 74.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.64 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 74.7 MB in the beginning and 175.4 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.51 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 163.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Sifa took 743.25 ms. Allocated memory is still 198.2 MB. Free memory was 163.4 MB in the beginning and 128.8 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 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]: 694, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 42, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 56, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 294, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 180, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 33, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 438, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 437, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 94, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 93, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 18, 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 49#(and (<= 0 ~__return_144~0) (<= ~__return_144~0 0) (<= 0 main_~main__x~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_main~0 0) (= |old(~__return_144~0)| 0) (<= |old(~__return_144~0)| 0) (<= 0 (+ main_~main__y~0 1000)) (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (= ~__return_main~0 0) (<= 0 main_~__tmp_1~0) (not (< main_~main__x~0 0)) (<= 0 |old(~__return_144~0)|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...