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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/terminator_03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:47:58,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:47:58,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:47:58,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:47:58,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:47:58,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:47:58,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:47:58,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:47:58,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:47:58,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:47:58,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:47:58,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:47:58,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:47:58,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:47:58,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:47:58,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:47:58,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:47:58,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:47:58,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:47:58,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:47:58,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:47:58,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:47:58,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:47:58,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:47:58,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:47:58,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:47:58,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:47:58,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:47:58,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:47:58,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:47:58,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:47:58,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:47:58,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:47:58,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:47:58,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:47:58,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:47:58,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:47:58,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:47:58,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:47:58,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:47:58,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:47:58,224 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 [2019-09-21 09:47:58,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:47:58,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:47:58,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:47:58,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:47:58,247 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:47:58,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:47:58,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:47:58,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:47:58,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:47:58,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:47:58,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:47:58,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:47:58,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:47:58,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:47:58,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:47:58,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:47:58,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:47:58,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:47:58,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:47:58,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:47:58,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:47:58,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:47:58,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:47:58,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:47:58,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:47:58,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:47:58,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:47:58,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:47:58,254 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:47:58,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:47:58,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:47:58,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:47:58,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:47:58,316 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:47:58,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-1.c [2019-09-21 09:47:58,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9e0fbb6/2cc5d1cceffe483ba3493e3946127ef1/FLAGe8cb0097e [2019-09-21 09:47:58,891 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:47:58,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-1.c [2019-09-21 09:47:58,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9e0fbb6/2cc5d1cceffe483ba3493e3946127ef1/FLAGe8cb0097e [2019-09-21 09:47:59,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9e0fbb6/2cc5d1cceffe483ba3493e3946127ef1 [2019-09-21 09:47:59,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:47:59,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:47:59,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:59,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:47:59,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:47:59,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24115530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59, skipping insertion in model container [2019-09-21 09:47:59,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:47:59,336 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:47:59,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:59,521 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:47:59,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:59,547 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:47:59,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59 WrapperNode [2019-09-21 09:47:59,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:59,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:47:59,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:47:59,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:47:59,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:47:59,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:47:59,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:47:59,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:47:59,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:59" (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 [2019-09-21 09:47:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:47:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:47:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:47:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:47:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:47:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:47:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:47:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:47:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:47:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:47:59,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:47:59,926 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:47:59,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:59 BoogieIcfgContainer [2019-09-21 09:47:59,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:47:59,935 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:47:59,936 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:47:59,936 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:47:59,938 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:59" (1/1) ... [2019-09-21 09:47:59,939 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:47:59,977 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:47:59,977 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:48:00,008 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:48:00,030 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:48:00,037 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:48:00,137 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:48:00,442 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:48:00,459 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:48:00,461 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:48:00,463 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 40#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 09:48:00,480 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:48:00,480 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:48:00,483 INFO L168 Benchmark]: Toolchain (without parser) took 1178.43 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 85.7 MB in the beginning and 144.6 MB in the end (delta: -58.8 MB). Peak memory consumption was 935.4 kB. Max. memory is 7.1 GB. [2019-09-21 09:48:00,484 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:48:00,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.70 ms. Allocated memory is still 138.9 MB. Free memory was 85.5 MB in the beginning and 76.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:00,486 INFO L168 Benchmark]: Boogie Preprocessor took 121.49 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 76.3 MB in the beginning and 176.3 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:00,487 INFO L168 Benchmark]: RCFGBuilder took 257.74 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 164.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:00,488 INFO L168 Benchmark]: Sifa took 544.79 ms. Allocated memory is still 198.7 MB. Free memory was 164.6 MB in the beginning and 144.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:00,492 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 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.70 ms. Allocated memory is still 138.9 MB. Free memory was 85.5 MB in the beginning and 76.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.49 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 76.3 MB in the beginning and 176.3 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 257.74 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 164.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Sifa took 544.79 ms. Allocated memory is still 198.7 MB. Free memory was 164.6 MB in the beginning and 144.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 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]: 487, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 27, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 65, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 79, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 54, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 202, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 53, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 173, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 173, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 51, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 50, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 14, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 52, DAG_COMPRESSION_RETAINED_NODES: 30 - 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 40#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 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...