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-invgen/nested6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:19:15,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:19:15,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:19:15,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:19:15,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:19:15,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:19:15,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:19:15,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:19:15,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:19:15,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:19:15,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:19:15,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:19:15,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:19:15,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:19:15,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:19:15,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:19:15,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:19:15,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:19:15,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:19:15,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:19:15,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:19:15,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:19:15,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:19:15,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:19:15,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:19:15,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:19:15,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:19:15,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:19:15,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:19:15,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:19:15,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:19:15,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:19:15,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:19:15,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:19:15,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:19:15,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:19:15,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:19:15,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:19:15,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:19:15,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:19:15,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:19:15,129 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 20:19:15,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:19:15,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:19:15,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:19:15,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:19:15,146 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:19:15,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:19:15,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:19:15,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:19:15,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:19:15,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:19:15,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:19:15,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:19:15,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:19:15,148 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:19:15,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:19:15,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:19:15,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:19:15,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:19:15,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:19:15,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:19:15,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:19:15,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:19:15,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:19:15,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:19:15,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:19:15,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:19:15,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:19:15,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:19:15,151 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 20:19:15,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:19:15,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:19:15,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:19:15,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:19:15,213 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:19:15,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-20 20:19:15,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4b77c67/72c7540e091d48639fe411176ef37503/FLAGbd9833154 [2019-09-20 20:19:15,722 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:19:15,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-20 20:19:15,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4b77c67/72c7540e091d48639fe411176ef37503/FLAGbd9833154 [2019-09-20 20:19:16,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4b77c67/72c7540e091d48639fe411176ef37503 [2019-09-20 20:19:16,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:19:16,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:19:16,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:16,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:19:16,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:19:16,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95249a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16, skipping insertion in model container [2019-09-20 20:19:16,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:19:16,141 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:19:16,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:16,325 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:19:16,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:16,366 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:19:16,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16 WrapperNode [2019-09-20 20:19:16,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:16,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:19:16,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:19:16,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:19:16,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:19:16,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:19:16,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:19:16,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:19:16,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:16" (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 20:19:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:19:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:19:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 20:19:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:19:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:19:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:19:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 20:19:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:19:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:19:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:19:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:19:16,839 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:19:16,839 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 20:19:16,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:16 BoogieIcfgContainer [2019-09-20 20:19:16,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:19:16,844 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:19:16,844 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:19:16,844 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:19:16,851 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:16" (1/1) ... [2019-09-20 20:19:16,851 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 20:19:16,877 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:19:16,878 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:19:16,886 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:19:16,894 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:19:16,896 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:19:16,962 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 20:19:17,843 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-20 20:19:18,034 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-09-20 20:19:18,201 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-20 20:19:18,424 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 20:19:18,631 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 20:19:19,229 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 20:19:19,241 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:19:19,241 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:19:19,243 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 202#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 20:19:19,258 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:19:19,258 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:19:19,261 INFO L168 Benchmark]: Toolchain (without parser) took 3154.44 ms. Allocated memory was 134.7 MB in the beginning and 256.4 MB in the end (delta: 121.6 MB). Free memory was 90.9 MB in the beginning and 168.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:19,262 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 20:19:19,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.64 ms. Allocated memory is still 134.7 MB. Free memory was 90.5 MB in the beginning and 81.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:19,264 INFO L168 Benchmark]: Boogie Preprocessor took 113.99 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 81.1 MB in the beginning and 178.5 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:19,265 INFO L168 Benchmark]: RCFGBuilder took 361.16 ms. Allocated memory is still 201.9 MB. Free memory was 178.5 MB in the beginning and 163.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:19,266 INFO L168 Benchmark]: Sifa took 2414.62 ms. Allocated memory was 201.9 MB in the beginning and 256.4 MB in the end (delta: 54.5 MB). Free memory was 163.3 MB in the beginning and 168.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:19,270 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 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.64 ms. Allocated memory is still 134.7 MB. Free memory was 90.5 MB in the beginning and 81.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.99 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 81.1 MB in the beginning and 178.5 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 361.16 ms. Allocated memory is still 201.9 MB. Free memory was 178.5 MB in the beginning and 163.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Sifa took 2414.62 ms. Allocated memory was 201.9 MB in the beginning and 256.4 MB in the end (delta: 54.5 MB). Free memory was 163.3 MB in the beginning and 168.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 49.7 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]: 2366, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 93, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 62, TOOLS_POST_TIME[ms]: 62, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 133, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME[ms]: 28, TOOLS_QUANTIFIERELIM_APPLICATIONS: 102, TOOLS_QUANTIFIERELIM_TIME[ms]: 172, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 110, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 996, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 917, DOMAIN_ISSUBSETEQ_APPLICATIONS: 44, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2182, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2181, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 213, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 124, DAG_COMPRESSION_RETAINED_NODES: 61 - 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 202#(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...