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 IntervalDomain -i ../../../trunk/examples/svcomp/loops/trex02-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 16:37:15,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 16:37:15,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 16:37:15,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 16:37:15,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 16:37:15,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 16:37:15,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 16:37:15,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 16:37:15,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 16:37:15,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 16:37:15,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 16:37:15,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 16:37:15,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 16:37:15,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 16:37:15,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 16:37:15,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 16:37:15,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 16:37:15,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 16:37:15,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 16:37:15,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 16:37:15,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 16:37:15,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 16:37:15,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 16:37:15,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 16:37:15,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 16:37:15,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 16:37:15,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 16:37:15,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 16:37:15,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 16:37:15,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 16:37:15,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 16:37:15,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 16:37:15,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 16:37:15,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 16:37:15,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 16:37:15,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 16:37:15,681 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 [2019-09-03 16:37:15,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 16:37:15,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 16:37:15,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 16:37:15,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 16:37:15,699 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 16:37:15,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 16:37:15,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 16:37:15,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 16:37:15,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 16:37:15,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 16:37:15,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 16:37:15,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 16:37:15,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 16:37:15,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 16:37:15,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 16:37:15,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 16:37:15,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 16:37:15,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 16:37:15,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 16:37:15,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 16:37:15,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 16:37:15,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 16:37:15,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 16:37:15,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 16:37:15,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 16:37:15,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 16:37:15,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 16:37:15,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 16:37:15,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-03 16:37:15,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 16:37:15,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 16:37:15,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 16:37:15,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 16:37:15,770 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 16:37:15,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex02-2.c [2019-09-03 16:37:15,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4948f98/06cea32cea4c4797a6ff87547b71cb18/FLAGea377d332 [2019-09-03 16:37:16,314 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 16:37:16,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex02-2.c [2019-09-03 16:37:16,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4948f98/06cea32cea4c4797a6ff87547b71cb18/FLAGea377d332 [2019-09-03 16:37:16,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4948f98/06cea32cea4c4797a6ff87547b71cb18 [2019-09-03 16:37:16,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 16:37:16,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 16:37:16,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 16:37:16,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 16:37:16,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 16:37:16,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:16,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d2eccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16, skipping insertion in model container [2019-09-03 16:37:16,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:16,772 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 16:37:16,786 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 16:37:16,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 16:37:16,947 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 16:37:16,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 16:37:16,975 INFO L192 MainTranslator]: Completed translation [2019-09-03 16:37:16,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16 WrapperNode [2019-09-03 16:37:16,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 16:37:16,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 16:37:16,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 16:37:16,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 16:37:17,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:17,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:17,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:17,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:17,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:17,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:17,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16" (1/1) ... [2019-09-03 16:37:17,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 16:37:17,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 16:37:17,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 16:37:17,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 16:37:17,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:37:16" (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 [2019-09-03 16:37:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 16:37:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 16:37:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 16:37:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-09-03 16:37:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 16:37:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 16:37:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 16:37:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-03 16:37:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 16:37:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-09-03 16:37:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 16:37:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 16:37:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 16:37:17,322 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 16:37:17,322 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 16:37:17,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 04:37:17 BoogieIcfgContainer [2019-09-03 16:37:17,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 16:37:17,327 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-03 16:37:17,327 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-03 16:37:17,327 INFO L275 PluginConnector]: Sifa initialized [2019-09-03 16:37:17,328 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 04:37:17" (1/1) ... [2019-09-03 16:37:17,329 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-03 16:37:17,406 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-03 16:37:17,407 INFO L169 IcfgInterpreter]: Building call graph [2019-09-03 16:37:17,415 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-03 16:37:17,446 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-03 16:37:17,447 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-03 16:37:17,522 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 7 for LOIs [2019-09-03 16:37:17,758 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 21 for LOIs [2019-09-03 16:37:17,764 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-03 16:37:17,764 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-03 16:37:17,766 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 112#(or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= ~x~0 0) (<= 0 __VERIFIER_assert_~cond) (<= 0 (+ ~x~0 2147483648))) (and (<= 0 (+ ~x~0 1)) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= ~x~0 0) (<= 0 __VERIFIER_assert_~cond))) [2019-09-03 16:37:17,782 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-03 16:37:17,782 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-03 16:37:17,784 INFO L168 Benchmark]: Toolchain (without parser) took 1028.16 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 87.1 MB in the beginning and 143.4 MB in the end (delta: -56.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-03 16:37:17,785 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 16:37:17,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.10 ms. Allocated memory is still 131.6 MB. Free memory was 86.7 MB in the beginning and 77.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-03 16:37:17,787 INFO L168 Benchmark]: Boogie Preprocessor took 111.07 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 77.7 MB in the beginning and 174.0 MB in the end (delta: -96.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-03 16:37:17,788 INFO L168 Benchmark]: RCFGBuilder took 238.97 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 162.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-03 16:37:17,789 INFO L168 Benchmark]: Sifa took 455.38 ms. Allocated memory is still 197.7 MB. Free memory was 162.0 MB in the beginning and 143.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-09-03 16:37:17,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 219.10 ms. Allocated memory is still 131.6 MB. Free memory was 86.7 MB in the beginning and 77.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.07 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 77.7 MB in the beginning and 174.0 MB in the end (delta: -96.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 238.97 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 162.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Sifa took 455.38 ms. Allocated memory is still 197.7 MB. Free memory was 162.0 MB in the beginning and 143.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.4s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 64 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 43 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 16 TOOLS_POST_CALL_APPLICATIONS, 0.1s TOOLS_POST_CALL_TIME, 14 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.1s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 74 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 21 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 5 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 33 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 5 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 5 LOOP_SUMMARIZER_APPLICATIONS, 5 LOOP_SUMMARIZER_CACHE_MISSES, 0.2s LOOP_SUMMARIZER_OVERALL_TIME, 0.2s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 10 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 14 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 116 DAG_COMPRESSION_PROCESSED_NODES, 55 DAG_COMPRESSION_RETAINED_NODES - 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 112#(or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= ~x~0 0) (<= 0 __VERIFIER_assert_~cond) (<= 0 (+ ~x~0 2147483648))) (and (<= 0 (+ ~x~0 1)) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= ~x~0 0) (<= 0 __VERIFIER_assert_~cond))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...