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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/id_trans.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:23:22,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:23:22,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:23:22,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:23:22,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:23:22,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:23:22,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:23:22,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:23:22,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:23:22,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:23:22,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:23:22,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:23:22,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:23:22,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:23:22,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:23:22,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:23:22,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:23:22,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:23:22,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:23:22,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:23:22,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:23:22,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:23:22,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:23:22,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:23:22,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 19:23:22,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:23:22,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:23:22,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:23:22,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:23:22,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:23:22,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:23:22,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:23:22,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:23:22,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:23:22,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:23:22,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:23:22,343 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 19:23:22,360 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:23:22,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:23:22,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:23:22,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:23:22,362 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:23:22,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:23:22,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:23:22,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:23:22,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:23:22,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:23:22,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:23:22,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:23:22,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:23:22,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:23:22,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:23:22,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:23:22,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:23:22,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:23:22,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:23:22,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:23:22,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:23:22,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:23:22,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:23:22,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:23:22,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:23:22,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:23:22,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:23:22,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:23:22,368 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 -> SingleStatement 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 19:23:22,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:23:22,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:23:22,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:23:22,453 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:23:22,453 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:23:22,454 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_trans.i [2019-09-20 19:23:22,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e1cec5b/4f11b941265a4236a18031bad5a9b764/FLAG0670f09ca [2019-09-20 19:23:23,013 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:23:23,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_trans.i [2019-09-20 19:23:23,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e1cec5b/4f11b941265a4236a18031bad5a9b764/FLAG0670f09ca [2019-09-20 19:23:23,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e1cec5b/4f11b941265a4236a18031bad5a9b764 [2019-09-20 19:23:23,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:23:23,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:23:23,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:23,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:23:23,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:23:23,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4697a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23, skipping insertion in model container [2019-09-20 19:23:23,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:23:23,479 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:23:23,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:23,682 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:23:23,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:23,724 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:23:23,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23 WrapperNode [2019-09-20 19:23:23,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:23,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:23:23,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:23:23,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:23:23,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23" (1/1) ... [2019-09-20 19:23:23,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:23:23,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:23:23,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:23:23,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:23:23,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:23" (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 19:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 19:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:23:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 19:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:23:24,100 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:23:24,101 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 19:23:24,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:24 BoogieIcfgContainer [2019-09-20 19:23:24,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:23:24,103 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:23:24,103 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:23:24,103 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:23:24,104 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:24" (1/1) ... [2019-09-20 19:23:24,105 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 19:23:24,123 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:23:24,123 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:23:24,130 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:23:24,138 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:23:24,140 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:23:24,209 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 19:23:24,756 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 16 [2019-09-20 19:23:24,935 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 22 [2019-09-20 19:23:25,513 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 25 [2019-09-20 19:23:25,655 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-09-20 19:23:26,043 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2019-09-20 19:23:26,227 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2019-09-20 19:23:26,616 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 19:23:26,631 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:23:26,631 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:23:26,634 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 138#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 19:23:26,652 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:23:26,652 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:23:26,654 INFO L168 Benchmark]: Toolchain (without parser) took 3211.39 ms. Allocated memory was 141.6 MB in the beginning and 256.4 MB in the end (delta: 114.8 MB). Free memory was 89.5 MB in the beginning and 146.0 MB in the end (delta: -56.6 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:26,655 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:23:26,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.10 ms. Allocated memory is still 141.6 MB. Free memory was 89.3 MB in the beginning and 79.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:26,657 INFO L168 Benchmark]: Boogie Preprocessor took 120.11 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 79.8 MB in the beginning and 178.4 MB in the end (delta: -98.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:26,658 INFO L168 Benchmark]: RCFGBuilder took 256.67 ms. Allocated memory is still 200.8 MB. Free memory was 178.4 MB in the beginning and 164.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:26,659 INFO L168 Benchmark]: Sifa took 2549.57 ms. Allocated memory was 200.8 MB in the beginning and 256.4 MB in the end (delta: 55.6 MB). Free memory was 164.4 MB in the beginning and 146.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:26,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.10 ms. Allocated memory is still 141.6 MB. Free memory was 89.3 MB in the beginning and 79.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.11 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 79.8 MB in the beginning and 178.4 MB in the end (delta: -98.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.67 ms. Allocated memory is still 200.8 MB. Free memory was 178.4 MB in the beginning and 164.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Sifa took 2549.57 ms. Allocated memory was 200.8 MB in the beginning and 256.4 MB in the end (delta: 55.6 MB). Free memory was 164.4 MB in the beginning and 146.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 74.0 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]: 2511, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 77, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 46, TOOLS_POST_TIME[ms]: 50, TOOLS_POST_CALL_APPLICATIONS: 29, TOOLS_POST_CALL_TIME[ms]: 940, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 99, TOOLS_QUANTIFIERELIM_TIME[ms]: 1014, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 371, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 81, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 776, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 504, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 27, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1882, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1882, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 74, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 73, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 215, DAG_COMPRESSION_RETAINED_NODES: 69 - UnprovableResult [Line: 5]: 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 138#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...