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 InterpretCallSummarizer --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-efa34d5 [2019-09-19 06:59:06,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 06:59:06,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 06:59:06,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 06:59:06,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 06:59:06,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 06:59:06,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 06:59:06,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 06:59:06,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 06:59:06,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 06:59:06,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 06:59:06,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 06:59:06,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 06:59:06,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 06:59:06,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 06:59:06,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 06:59:06,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 06:59:06,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 06:59:06,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 06:59:06,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 06:59:06,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 06:59:06,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 06:59:06,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 06:59:06,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 06:59:06,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 06:59:06,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 06:59:06,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 06:59:06,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 06:59:06,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 06:59:06,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 06:59:06,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 06:59:06,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 06:59:06,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 06:59:06,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 06:59:06,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 06:59:06,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 06:59:06,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 06:59:06,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 06:59:06,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 06:59:06,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 06:59:06,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 06:59:06,493 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 [2019-09-19 06:59:06,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 06:59:06,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 06:59:06,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 06:59:06,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 06:59:06,508 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 06:59:06,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 06:59:06,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 06:59:06,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 06:59:06,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 06:59:06,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 06:59:06,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 06:59:06,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 06:59:06,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 06:59:06,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 06:59:06,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 06:59:06,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 06:59:06,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 06:59:06,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 06:59:06,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 06:59:06,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 06:59:06,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 06:59:06,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 06:59:06,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 06:59:06,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 06:59:06,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 06:59:06,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 06:59:06,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 06:59:06,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 06:59:06,513 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 -> InterpretCallSummarizer 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 [2019-09-19 06:59:06,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 06:59:06,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 06:59:06,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 06:59:06,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 06:59:06,563 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 06:59:06,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-19 06:59:06,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7031ea033/7838cf973bc34ff68c9e3a1009705824/FLAG0967dc2e6 [2019-09-19 06:59:07,045 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 06:59:07,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-19 06:59:07,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7031ea033/7838cf973bc34ff68c9e3a1009705824/FLAG0967dc2e6 [2019-09-19 06:59:07,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7031ea033/7838cf973bc34ff68c9e3a1009705824 [2019-09-19 06:59:07,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 06:59:07,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 06:59:07,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 06:59:07,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 06:59:07,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 06:59:07,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5abeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07, skipping insertion in model container [2019-09-19 06:59:07,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,496 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 06:59:07,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 06:59:07,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:59:07,706 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 06:59:07,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:59:07,736 INFO L192 MainTranslator]: Completed translation [2019-09-19 06:59:07,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07 WrapperNode [2019-09-19 06:59:07,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 06:59:07,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 06:59:07,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 06:59:07,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 06:59:07,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07" (1/1) ... [2019-09-19 06:59:07,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 06:59:07,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 06:59:07,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 06:59:07,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 06:59:07,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:07" (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 [2019-09-19 06:59:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 06:59:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 06:59:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-19 06:59:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 06:59:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 06:59:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-19 06:59:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 06:59:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 06:59:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 06:59:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 06:59:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 06:59:08,123 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 06:59:08,123 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-19 06:59:08,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:59:08 BoogieIcfgContainer [2019-09-19 06:59:08,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 06:59:08,125 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 06:59:08,125 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 06:59:08,126 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 06:59:08,127 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:59:08" (1/1) ... [2019-09-19 06:59:08,127 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 06:59:08,151 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 06:59:08,151 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 06:59:08,161 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 06:59:08,171 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 06:59:08,173 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 06:59:08,236 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-19 06:59:09,189 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-19 06:59:09,550 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-19 06:59:09,780 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-19 06:59:10,025 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-19 06:59:10,894 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-19 06:59:10,905 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 06:59:10,905 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 06:59:10,907 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 322#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-19 06:59:10,920 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 06:59:10,920 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 06:59:10,922 INFO L168 Benchmark]: Toolchain (without parser) took 3443.39 ms. Allocated memory was 134.2 MB in the beginning and 260.0 MB in the end (delta: 125.8 MB). Free memory was 90.7 MB in the beginning and 134.4 MB in the end (delta: -43.7 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-09-19 06:59:10,923 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 06:59:10,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.36 ms. Allocated memory is still 134.2 MB. Free memory was 90.5 MB in the beginning and 81.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-19 06:59:10,925 INFO L168 Benchmark]: Boogie Preprocessor took 111.91 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 81.0 MB in the beginning and 176.2 MB in the end (delta: -95.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-19 06:59:10,926 INFO L168 Benchmark]: RCFGBuilder took 275.61 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 161.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-09-19 06:59:10,927 INFO L168 Benchmark]: Sifa took 2794.87 ms. Allocated memory was 200.3 MB in the beginning and 260.0 MB in the end (delta: 59.8 MB). Free memory was 161.2 MB in the beginning and 134.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-19 06:59:10,931 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.36 ms. Allocated memory is still 134.2 MB. Free memory was 90.5 MB in the beginning and 81.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.91 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 81.0 MB in the beginning and 176.2 MB in the end (delta: -95.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.61 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 161.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Sifa took 2794.87 ms. Allocated memory was 200.3 MB in the beginning and 260.0 MB in the end (delta: 59.8 MB). Free memory was 161.2 MB in the beginning and 134.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2756, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 168, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 137, TOOLS_POST_TIME[ms]: 86, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 132, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME[ms]: 34, TOOLS_QUANTIFIERELIM_APPLICATIONS: 177, TOOLS_QUANTIFIERELIM_TIME[ms]: 193, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 185, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 57, DOMAIN_JOIN_TIME[ms]: 1345, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 968, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME[ms]: 45, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2555, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2555, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 524, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 43, 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 322#(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...