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/ldv-regression/stateful_check.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:43:57,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:43:57,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:43:57,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:43:57,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:43:57,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:43:57,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:43:57,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:43:57,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:43:57,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:43:57,389 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:43:57,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:43:57,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:43:57,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:43:57,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:43:57,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:43:57,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:43:57,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:43:57,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:43:57,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:43:57,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:43:57,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:43:57,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:43:57,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:43:57,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:43:57,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:43:57,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:43:57,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:43:57,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:43:57,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:43:57,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:43:57,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:43:57,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:43:57,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:43:57,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:43:57,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:43:57,431 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 [2019-08-08 11:43:57,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:43:57,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:43:57,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:43:57,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:43:57,447 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:43:57,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:43:57,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:43:57,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:43:57,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:43:57,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:43:57,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:43:57,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:43:57,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:43:57,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:43:57,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:43:57,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:43:57,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:43:57,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:43:57,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:43:57,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:43:57,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:43:57,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:43:57,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:43:57,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:43:57,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:43:57,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:43:57,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:43:57,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:43:57,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:43:57,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:43:57,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:43:57,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:43:57,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:43:57,502 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:43:57,503 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-08-08 11:43:57,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff0fdcee/24488c40c9a442b8b749b327aadc931c/FLAGf3c65fe61 [2019-08-08 11:43:58,042 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:43:58,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-08-08 11:43:58,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff0fdcee/24488c40c9a442b8b749b327aadc931c/FLAGf3c65fe61 [2019-08-08 11:43:58,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff0fdcee/24488c40c9a442b8b749b327aadc931c [2019-08-08 11:43:58,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:43:58,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:43:58,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:43:58,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:43:58,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:43:58,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f466bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58, skipping insertion in model container [2019-08-08 11:43:58,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,443 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:43:58,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:43:58,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:43:58,637 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:43:58,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:43:58,674 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:43:58,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58 WrapperNode [2019-08-08 11:43:58,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:43:58,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:43:58,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:43:58,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:43:58,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58" (1/1) ... [2019-08-08 11:43:58,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:43:58,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:43:58,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:43:58,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:43:58,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:43:58" (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 [2019-08-08 11:43:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:43:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:43:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-08 11:43:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-08-08 11:43:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-08-08 11:43:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure check_final_state [2019-08-08 11:43:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_release [2019-08-08 11:43:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_llseek [2019-08-08 11:43:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_read [2019-08-08 11:43:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_open [2019-08-08 11:43:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure my_init [2019-08-08 11:43:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:43:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:43:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-08 11:43:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:43:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-08-08 11:43:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-08-08 11:43:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure check_final_state [2019-08-08 11:43:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure misc_release [2019-08-08 11:43:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure misc_llseek [2019-08-08 11:43:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure misc_read [2019-08-08 11:43:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure misc_open [2019-08-08 11:43:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure my_init [2019-08-08 11:43:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:43:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:43:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:43:59,423 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:43:59,423 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:43:59,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:43:59 BoogieIcfgContainer [2019-08-08 11:43:59,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:43:59,425 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:43:59,426 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:43:59,426 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:43:59,427 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:43:59" (1/1) ... [2019-08-08 11:43:59,437 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:43:59,439 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:43:59,447 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:43:59,453 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:43:59,455 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:43:59,494 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 11 [2019-08-08 11:43:59,742 INFO L185 IcfgInterpreter]: Interpreting procedure check_final_state with input of size 1 [2019-08-08 11:43:59,744 INFO L185 IcfgInterpreter]: Interpreting procedure misc_release with input of size 64 [2019-08-08 11:43:59,752 INFO L185 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 4 [2019-08-08 11:43:59,753 INFO L185 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 1 [2019-08-08 11:43:59,754 INFO L185 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 65 [2019-08-08 11:43:59,756 INFO L185 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 4 [2019-08-08 11:43:59,758 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:43:59,758 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:43:59,760 INFO L179 IcfgInterpreter]: Location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 303#(not (= 1 ~ldv_mutex~0)) [2019-08-08 11:43:59,761 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:43:59,768 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:43:59,771 INFO L168 Benchmark]: Toolchain (without parser) took 1342.98 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 86.6 MB in the beginning and 137.8 MB in the end (delta: -51.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:43:59,772 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:43:59,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.13 ms. Allocated memory is still 137.9 MB. Free memory was 86.3 MB in the beginning and 76.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:43:59,774 INFO L168 Benchmark]: Boogie Preprocessor took 129.50 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 76.2 MB in the beginning and 176.6 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:43:59,775 INFO L168 Benchmark]: RCFGBuilder took 620.15 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 157.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:43:59,776 INFO L168 Benchmark]: Symbolic Interpretation took 342.91 ms. Allocated memory is still 199.2 MB. Free memory was 157.4 MB in the beginning and 137.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:43:59,780 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.13 ms. Allocated memory is still 137.9 MB. Free memory was 86.3 MB in the beginning and 76.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.50 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 76.2 MB in the beginning and 176.6 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 620.15 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 157.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 342.91 ms. Allocated memory is still 199.2 MB. Free memory was 157.4 MB in the beginning and 137.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...