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/loop-lit/gsv2008.c.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:19:31,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:19:31,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:19:31,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:19:31,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:19:31,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:19:31,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:19:31,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:19:31,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:19:31,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:19:31,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:19:31,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:19:31,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:19:31,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:19:31,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:19:31,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:19:31,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:19:31,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:19:31,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:19:31,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:19:31,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:19:31,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:19:31,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:19:31,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:19:31,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:19:31,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:19:31,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:19:31,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:19:31,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:19:31,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:19:31,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:19:31,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:19:31,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:19:31,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:19:31,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:19:31,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:19:31,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:19:31,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:19:31,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:19:31,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:19:31,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:19:31,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 20:19:31,552 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:19:31,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:19:31,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:19:31,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:19:31,554 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:19:31,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:19:31,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:19:31,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:19:31,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:19:31,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:19:31,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:19:31,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:19:31,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:19:31,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:19:31,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:19:31,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:19:31,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:19:31,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:19:31,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:19:31,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:19:31,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:19:31,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:19:31,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:19:31,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:19:31,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:19:31,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:19:31,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:19:31,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:19:31,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 20:19:31,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:19:31,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:19:31,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:19:31,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:19:31,604 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:19:31,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-09-20 20:19:31,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166095096/fc62008c79364a21afd4ba3e2986de74/FLAGb334f7f0d [2019-09-20 20:19:32,094 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:19:32,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-09-20 20:19:32,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166095096/fc62008c79364a21afd4ba3e2986de74/FLAGb334f7f0d [2019-09-20 20:19:32,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166095096/fc62008c79364a21afd4ba3e2986de74 [2019-09-20 20:19:32,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:19:32,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:19:32,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:32,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:19:32,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:19:32,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4907dd24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32, skipping insertion in model container [2019-09-20 20:19:32,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,516 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:19:32,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:19:32,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:32,719 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:19:32,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:32,749 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:19:32,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32 WrapperNode [2019-09-20 20:19:32,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:32,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:19:32,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:19:32,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:19:32,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:19:32,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:19:32,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:19:32,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:19:32,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:19:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:19:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:19:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:19:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:19:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:19:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 20:19:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:19:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:19:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:19:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:19:33,129 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:19:33,130 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 20:19:33,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:33 BoogieIcfgContainer [2019-09-20 20:19:33,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:19:33,132 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:19:33,132 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:19:33,132 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:19:33,133 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:33" (1/1) ... [2019-09-20 20:19:33,134 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:19:33,161 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:19:33,161 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:19:33,170 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:19:33,181 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:19:33,183 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:19:33,324 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 12 for LOIs [2019-09-20 20:19:33,630 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 20:19:33,829 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 20:19:34,078 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-09-20 20:19:34,134 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:19:34,134 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:19:34,137 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 37#(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) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~0) (not (< main_~main__x~0 0))) [2019-09-20 20:19:34,163 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:19:34,163 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:19:34,166 INFO L168 Benchmark]: Toolchain (without parser) took 1665.21 ms. Allocated memory was 133.2 MB in the beginning and 224.9 MB in the end (delta: 91.8 MB). Free memory was 87.6 MB in the beginning and 191.0 MB in the end (delta: -103.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:19:34,168 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.94 ms. Allocated memory is still 133.2 MB. Free memory was 87.4 MB in the beginning and 77.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,172 INFO L168 Benchmark]: Boogie Preprocessor took 126.60 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.4 MB in the beginning and 176.7 MB in the end (delta: -99.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,173 INFO L168 Benchmark]: RCFGBuilder took 254.33 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 163.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,175 INFO L168 Benchmark]: Sifa took 1032.55 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 163.9 MB in the beginning and 191.0 MB in the end (delta: -27.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:19:34,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.94 ms. Allocated memory is still 133.2 MB. Free memory was 87.4 MB in the beginning and 77.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.60 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.4 MB in the beginning and 176.7 MB in the end (delta: -99.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.33 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 163.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Sifa took 1032.55 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 163.9 MB in the beginning and 191.0 MB in the end (delta: -27.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 976, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 18, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 44, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 18, TOOLS_QUANTIFIERELIM_TIME[ms]: 59, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 376, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 400, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 763, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 763, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 47, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 59, DAG_COMPRESSION_RETAINED_NODES: 29 - UnprovableResult [Line: 52]: 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 37#(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) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~0) (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...