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-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 14:18:15,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 14:18:15,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 14:18:15,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 14:18:15,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 14:18:15,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 14:18:15,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 14:18:15,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 14:18:15,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 14:18:15,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 14:18:15,824 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 14:18:15,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 14:18:15,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 14:18:15,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 14:18:15,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 14:18:15,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 14:18:15,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 14:18:15,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 14:18:15,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 14:18:15,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 14:18:15,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 14:18:15,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 14:18:15,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 14:18:15,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 14:18:15,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 14:18:15,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 14:18:15,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 14:18:15,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 14:18:15,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 14:18:15,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 14:18:15,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 14:18:15,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 14:18:15,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 14:18:15,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 14:18:15,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 14:18:15,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 14:18:15,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 14:18:15,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 14:18:15,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 14:18:15,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 14:18:15,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 14:18:15,876 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 14:18:15,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 14:18:15,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 14:18:15,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 14:18:15,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 14:18:15,907 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 14:18:15,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 14:18:15,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 14:18:15,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 14:18:15,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 14:18:15,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 14:18:15,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 14:18:15,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 14:18:15,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 14:18:15,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 14:18:15,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 14:18:15,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 14:18:15,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 14:18:15,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 14:18:15,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 14:18:15,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 14:18:15,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 14:18:15,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 14:18:15,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 14:18:15,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 14:18:15,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 14:18:15,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 14:18:15,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 14:18:15,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 14:18:15,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 14:18:15,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 14:18:15,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 14:18:15,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 14:18:15,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 14:18:15,963 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 14:18:15,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-08 14:18:16,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9ce3ac3/fbe56bf5f15648b2a9131a2600275a5c/FLAGe72121a1a [2019-08-08 14:18:16,580 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 14:18:16,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-08 14:18:16,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9ce3ac3/fbe56bf5f15648b2a9131a2600275a5c/FLAGe72121a1a [2019-08-08 14:18:16,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9ce3ac3/fbe56bf5f15648b2a9131a2600275a5c [2019-08-08 14:18:16,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 14:18:16,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 14:18:16,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 14:18:16,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 14:18:16,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 14:18:16,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:18:16" (1/1) ... [2019-08-08 14:18:16,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783ea7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:16, skipping insertion in model container [2019-08-08 14:18:16,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:18:16" (1/1) ... [2019-08-08 14:18:16,903 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 14:18:16,963 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 14:18:17,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:18:17,441 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 14:18:17,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:18:17,601 INFO L192 MainTranslator]: Completed translation [2019-08-08 14:18:17,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17 WrapperNode [2019-08-08 14:18:17,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 14:18:17,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 14:18:17,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 14:18:17,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 14:18:17,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17" (1/1) ... [2019-08-08 14:18:17,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17" (1/1) ... [2019-08-08 14:18:17,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17" (1/1) ... [2019-08-08 14:18:17,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17" (1/1) ... [2019-08-08 14:18:17,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17" (1/1) ... [2019-08-08 14:18:17,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17" (1/1) ... [2019-08-08 14:18:17,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17" (1/1) ... [2019-08-08 14:18:17,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 14:18:17,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 14:18:17,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 14:18:17,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 14:18:17,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:18:17" (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 14:18:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 14:18:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 14:18:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 14:18:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 14:18:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 14:18:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 14:18:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 14:18:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 14:18:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 14:18:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 14:18:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 14:18:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 14:18:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 14:18:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 14:18:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 14:18:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-08 14:18:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 14:18:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 14:18:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 14:18:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 14:18:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 14:18:19,495 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 14:18:19,495 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 14:18:19,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:18:19 BoogieIcfgContainer [2019-08-08 14:18:19,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 14:18:19,497 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 14:18:19,497 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 14:18:19,498 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 14:18:19,499 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:18:19" (1/1) ... [2019-08-08 14:18:19,510 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 14:18:19,513 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 14:18:19,522 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 14:18:19,531 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 14:18:19,532 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 14:18:19,602 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 205 [2019-08-08 14:22:31,024 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 14:22:31,024 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 14:22:31,026 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 2739888#(and (= main_~main__c1~0 ~__return_58892~0) (= ~__return_58892~0 main_~check__tmp~1) (= main_~__tmp_2~0 main_~assert__arg~1) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1))) [2019-08-08 14:22:31,028 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 14:22:31,035 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 14:22:31,038 INFO L168 Benchmark]: Toolchain (without parser) took 254152.59 ms. Allocated memory was 139.5 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 85.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-08-08 14:22:31,039 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-08 14:22:31,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.39 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 84.7 MB in the beginning and 171.3 MB in the end (delta: -86.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-08-08 14:22:31,041 INFO L168 Benchmark]: Boogie Preprocessor took 82.66 ms. Allocated memory is still 200.8 MB. Free memory was 171.3 MB in the beginning and 168.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-08 14:22:31,042 INFO L168 Benchmark]: RCFGBuilder took 1811.08 ms. Allocated memory is still 200.8 MB. Free memory was 168.1 MB in the beginning and 89.6 MB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2019-08-08 14:22:31,043 INFO L168 Benchmark]: Symbolic Interpretation took 251538.18 ms. Allocated memory was 200.8 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 89.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-08-08 14:22:31,048 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 436]: 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 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.39 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 84.7 MB in the beginning and 171.3 MB in the end (delta: -86.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.66 ms. Allocated memory is still 200.8 MB. Free memory was 171.3 MB in the beginning and 168.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1811.08 ms. Allocated memory is still 200.8 MB. Free memory was 168.1 MB in the beginning and 89.6 MB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 251538.18 ms. Allocated memory was 200.8 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 89.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...