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 -i ../../../trunk/examples/svcomp/loops/while_infinite_loop_4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 05:43:10,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 05:43:10,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 05:43:10,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 05:43:10,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 05:43:10,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 05:43:10,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 05:43:10,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 05:43:10,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 05:43:10,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 05:43:10,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 05:43:10,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 05:43:10,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 05:43:10,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 05:43:10,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 05:43:10,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 05:43:10,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 05:43:10,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 05:43:10,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 05:43:10,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 05:43:10,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 05:43:10,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 05:43:10,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 05:43:10,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 05:43:10,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 05:43:10,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 05:43:10,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 05:43:10,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 05:43:10,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 05:43:10,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 05:43:10,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 05:43:10,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 05:43:10,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 05:43:10,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 05:43:10,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 05:43:10,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 05:43:10,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 05:43:10,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 05:43:10,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 05:43:10,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 05:43:10,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 05:43:10,525 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 [2019-08-31 05:43:10,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 05:43:10,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 05:43:10,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 05:43:10,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 05:43:10,541 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 05:43:10,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 05:43:10,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 05:43:10,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 05:43:10,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 05:43:10,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 05:43:10,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 05:43:10,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 05:43:10,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 05:43:10,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 05:43:10,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 05:43:10,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 05:43:10,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 05:43:10,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 05:43:10,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 05:43:10,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 05:43:10,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 05:43:10,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 05:43:10,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 05:43:10,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 05:43:10,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 05:43:10,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 05:43:10,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 05:43:10,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 05:43:10,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 05:43:10,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 05:43:10,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 05:43:10,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 05:43:10,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 05:43:10,604 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 05:43:10,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-08-31 05:43:10,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3c6f33f/0046a73a895d4dae9b2436c087f96740/FLAG9879c84a0 [2019-08-31 05:43:11,117 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 05:43:11,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-08-31 05:43:11,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3c6f33f/0046a73a895d4dae9b2436c087f96740/FLAG9879c84a0 [2019-08-31 05:43:11,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3c6f33f/0046a73a895d4dae9b2436c087f96740 [2019-08-31 05:43:11,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 05:43:11,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 05:43:11,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 05:43:11,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 05:43:11,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 05:43:11,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af4d69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11, skipping insertion in model container [2019-08-31 05:43:11,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 05:43:11,572 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 05:43:11,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:43:11,754 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 05:43:11,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:43:11,787 INFO L192 MainTranslator]: Completed translation [2019-08-31 05:43:11,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11 WrapperNode [2019-08-31 05:43:11,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 05:43:11,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 05:43:11,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 05:43:11,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 05:43:11,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11" (1/1) ... [2019-08-31 05:43:11,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 05:43:11,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 05:43:11,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 05:43:11,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 05:43:11,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:43:11" (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 [2019-08-31 05:43:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 05:43:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 05:43:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 05:43:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-08-31 05:43:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 05:43:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 05:43:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 05:43:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-08-31 05:43:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 05:43:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 05:43:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 05:43:12,127 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 05:43:12,128 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-31 05:43:12,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:43:12 BoogieIcfgContainer [2019-08-31 05:43:12,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 05:43:12,130 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 05:43:12,130 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 05:43:12,130 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 05:43:12,132 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:43:12" (1/1) ... [2019-08-31 05:43:12,172 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 05:43:12,172 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 05:43:12,181 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 05:43:12,197 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 05:43:12,199 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 05:43:12,364 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-08-31 05:43:12,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:43:12,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:43:12,452 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 17 for LOIs [2019-08-31 05:43:12,458 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 05:43:12,458 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 05:43:12,460 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 73#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 ~x~0))) (and (= 0 ~x~0) (= |__VERIFIER_assert_#in~cond| 1))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 ~x~0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= 1 ~x~0) (<= ~x~0 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 05:43:12,479 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 05:43:12,480 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 05:43:12,482 INFO L168 Benchmark]: Toolchain (without parser) took 941.49 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 88.9 MB in the beginning and 157.0 MB in the end (delta: -68.1 MB). Peak memory consumption was 94.1 kB. Max. memory is 7.1 GB. [2019-08-31 05:43:12,483 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-31 05:43:12,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.55 ms. Allocated memory is still 133.2 MB. Free memory was 88.7 MB in the beginning and 79.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-31 05:43:12,485 INFO L168 Benchmark]: Boogie Preprocessor took 124.28 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 79.6 MB in the beginning and 178.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-31 05:43:12,486 INFO L168 Benchmark]: RCFGBuilder took 215.91 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 167.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-31 05:43:12,487 INFO L168 Benchmark]: Sifa took 349.86 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 157.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-31 05:43:12,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.55 ms. Allocated memory is still 133.2 MB. Free memory was 88.7 MB in the beginning and 79.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.28 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 79.6 MB in the beginning and 178.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 215.91 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 167.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Sifa took 349.86 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 157.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.3s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 29 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 1 DAG_INTERPRETER_EARLY_EXITS, 18 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 8 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 5 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.1s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 30 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 10 DOMAIN_JOIN_APPLICATIONS, 0.1s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 1 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 5 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.1s LOOP_SUMMARIZER_OVERALL_TIME, 0.1s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 1 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 5 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s 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, 77 DAG_COMPRESSION_PROCESSED_NODES, 45 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 73#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 ~x~0))) (and (= 0 ~x~0) (= |__VERIFIER_assert_#in~cond| 1))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 ~x~0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= 1 ~x~0) (<= ~x~0 1) (= |__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...