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/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 04:13:52,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 04:13:52,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 04:13:52,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 04:13:52,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 04:13:52,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 04:13:52,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 04:13:52,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 04:13:52,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 04:13:52,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 04:13:52,900 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 04:13:52,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 04:13:52,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 04:13:52,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 04:13:52,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 04:13:52,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 04:13:52,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 04:13:52,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 04:13:52,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 04:13:52,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 04:13:52,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 04:13:52,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 04:13:52,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 04:13:52,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 04:13:52,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 04:13:52,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 04:13:52,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 04:13:52,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 04:13:52,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 04:13:52,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 04:13:52,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 04:13:52,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 04:13:52,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 04:13:52,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 04:13:52,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 04:13:52,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 04:13:52,950 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 [2019-08-10 04:13:52,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 04:13:52,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 04:13:52,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 04:13:52,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 04:13:52,979 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 04:13:52,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 04:13:52,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 04:13:52,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 04:13:52,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 04:13:52,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 04:13:52,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 04:13:52,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 04:13:52,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 04:13:52,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 04:13:52,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 04:13:52,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 04:13:52,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 04:13:52,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 04:13:52,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 04:13:52,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 04:13:52,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 04:13:52,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 04:13:52,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 04:13:52,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 04:13:52,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 04:13:52,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 04:13:52,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 04:13:52,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 04:13:52,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 04:13:53,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 04:13:53,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 04:13:53,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 04:13:53,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 04:13:53,069 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 04:13:53,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2019-08-10 04:13:53,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa61e0ba0/12d831455b7c4cf5846b59a39d904228/FLAG148a067d6 [2019-08-10 04:13:53,653 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 04:13:53,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2019-08-10 04:13:53,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa61e0ba0/12d831455b7c4cf5846b59a39d904228/FLAG148a067d6 [2019-08-10 04:13:53,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa61e0ba0/12d831455b7c4cf5846b59a39d904228 [2019-08-10 04:13:53,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 04:13:53,996 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 04:13:53,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 04:13:53,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 04:13:54,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 04:13:54,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 04:13:53" (1/1) ... [2019-08-10 04:13:54,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff8bbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54, skipping insertion in model container [2019-08-10 04:13:54,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 04:13:53" (1/1) ... [2019-08-10 04:13:54,011 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 04:13:54,057 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 04:13:54,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 04:13:54,358 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 04:13:54,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 04:13:54,543 INFO L192 MainTranslator]: Completed translation [2019-08-10 04:13:54,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54 WrapperNode [2019-08-10 04:13:54,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 04:13:54,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 04:13:54,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 04:13:54,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 04:13:54,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54" (1/1) ... [2019-08-10 04:13:54,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54" (1/1) ... [2019-08-10 04:13:54,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54" (1/1) ... [2019-08-10 04:13:54,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54" (1/1) ... [2019-08-10 04:13:54,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54" (1/1) ... [2019-08-10 04:13:54,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54" (1/1) ... [2019-08-10 04:13:54,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54" (1/1) ... [2019-08-10 04:13:54,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 04:13:54,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 04:13:54,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 04:13:54,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 04:13:54,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:13:54" (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 [2019-08-10 04:13:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 04:13:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 04:13:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2019-08-10 04:13:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2019-08-10 04:13:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2019-08-10 04:13:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2019-08-10 04:13:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2019-08-10 04:13:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-10 04:13:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 04:13:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2019-08-10 04:13:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2019-08-10 04:13:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2019-08-10 04:13:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2019-08-10 04:13:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 04:13:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-10 04:13:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 04:13:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 04:13:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 04:13:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 04:13:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 04:13:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 04:13:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 04:13:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2019-08-10 04:13:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2019-08-10 04:13:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2019-08-10 04:13:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2019-08-10 04:13:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2019-08-10 04:13:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 04:13:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 04:13:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2019-08-10 04:13:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2019-08-10 04:13:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2019-08-10 04:13:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2019-08-10 04:13:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 04:13:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 04:13:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 04:13:55,548 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 04:13:55,549 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 04:13:55,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 04:13:55 BoogieIcfgContainer [2019-08-10 04:13:55,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 04:13:55,551 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 04:13:55,551 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 04:13:55,551 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 04:13:55,552 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 04:13:55" (1/1) ... [2019-08-10 04:13:55,883 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-08-10 04:13:56,072 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-08-10 04:13:58,586 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 04:13:58,596 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 04:13:58,599 INFO L168 Benchmark]: Toolchain (without parser) took 4602.46 ms. Allocated memory was 132.1 MB in the beginning and 341.3 MB in the end (delta: 209.2 MB). Free memory was 85.9 MB in the beginning and 146.5 MB in the end (delta: -60.6 MB). Peak memory consumption was 215.2 MB. Max. memory is 7.1 GB. [2019-08-10 04:13:58,601 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 04:13:58,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.93 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 85.7 MB in the beginning and 173.0 MB in the end (delta: -87.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-08-10 04:13:58,605 INFO L168 Benchmark]: Boogie Preprocessor took 86.98 ms. Allocated memory is still 200.3 MB. Free memory was 173.0 MB in the beginning and 169.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-10 04:13:58,605 INFO L168 Benchmark]: RCFGBuilder took 916.99 ms. Allocated memory is still 200.3 MB. Free memory was 169.8 MB in the beginning and 116.2 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2019-08-10 04:13:58,607 INFO L168 Benchmark]: Symbolic Interpretation took 3045.73 ms. Allocated memory was 200.3 MB in the beginning and 341.3 MB in the end (delta: 141.0 MB). Free memory was 116.2 MB in the beginning and 146.5 MB in the end (delta: -30.3 MB). Peak memory consumption was 177.4 MB. Max. memory is 7.1 GB. [2019-08-10 04:13:58,617 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 577]: 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. Predicate is 4835#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 548.93 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 85.7 MB in the beginning and 173.0 MB in the end (delta: -87.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.98 ms. Allocated memory is still 200.3 MB. Free memory was 173.0 MB in the beginning and 169.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 916.99 ms. Allocated memory is still 200.3 MB. Free memory was 169.8 MB in the beginning and 116.2 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3045.73 ms. Allocated memory was 200.3 MB in the beginning and 341.3 MB in the end (delta: 141.0 MB). Free memory was 116.2 MB in the beginning and 146.5 MB in the end (delta: -30.3 MB). Peak memory consumption was 177.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...