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.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 14:26:07,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 14:26:07,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 14:26:07,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 14:26:07,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 14:26:07,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 14:26:07,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 14:26:07,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 14:26:07,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 14:26:07,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 14:26:07,767 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 14:26:07,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 14:26:07,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 14:26:07,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 14:26:07,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 14:26:07,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 14:26:07,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 14:26:07,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 14:26:07,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 14:26:07,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 14:26:07,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 14:26:07,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 14:26:07,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 14:26:07,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 14:26:07,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 14:26:07,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 14:26:07,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 14:26:07,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 14:26:07,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 14:26:07,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 14:26:07,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 14:26:07,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 14:26:07,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 14:26:07,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 14:26:07,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 14:26:07,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 14:26:07,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 14:26:07,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 14:26:07,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 14:26:07,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 14:26:07,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 14:26:07,794 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 14:26:07,809 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 14:26:07,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 14:26:07,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 14:26:07,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 14:26:07,811 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 14:26:07,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 14:26:07,812 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 14:26:07,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 14:26:07,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 14:26:07,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 14:26:07,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 14:26:07,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 14:26:07,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 14:26:07,813 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 14:26:07,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 14:26:07,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 14:26:07,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 14:26:07,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 14:26:07,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 14:26:07,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 14:26:07,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 14:26:07,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 14:26:07,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 14:26:07,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 14:26:07,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 14:26:07,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 14:26:07,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 14:26:07,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 14:26:07,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 14:26:07,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 14:26:07,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 14:26:07,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 14:26:07,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 14:26:07,872 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 14:26:07,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-08-08 14:26:07,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176d1e4ce/cdd863fe2ae84fb8ac1b61e12dff1b4f/FLAG2d78c8055 [2019-08-08 14:26:08,545 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 14:26:08,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-08-08 14:26:08,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176d1e4ce/cdd863fe2ae84fb8ac1b61e12dff1b4f/FLAG2d78c8055 [2019-08-08 14:26:08,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176d1e4ce/cdd863fe2ae84fb8ac1b61e12dff1b4f [2019-08-08 14:26:08,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 14:26:08,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 14:26:08,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 14:26:08,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 14:26:08,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 14:26:08,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:26:08" (1/1) ... [2019-08-08 14:26:08,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25540f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:08, skipping insertion in model container [2019-08-08 14:26:08,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:26:08" (1/1) ... [2019-08-08 14:26:08,848 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 14:26:08,927 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 14:26:09,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:26:09,367 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 14:26:09,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:26:09,633 INFO L192 MainTranslator]: Completed translation [2019-08-08 14:26:09,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09 WrapperNode [2019-08-08 14:26:09,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 14:26:09,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 14:26:09,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 14:26:09,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 14:26:09,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09" (1/1) ... [2019-08-08 14:26:09,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09" (1/1) ... [2019-08-08 14:26:09,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09" (1/1) ... [2019-08-08 14:26:09,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09" (1/1) ... [2019-08-08 14:26:09,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09" (1/1) ... [2019-08-08 14:26:09,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09" (1/1) ... [2019-08-08 14:26:09,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09" (1/1) ... [2019-08-08 14:26:09,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 14:26:09,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 14:26:09,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 14:26:09,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 14:26:09,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:26:09" (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 14:26:09,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 14:26:09,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 14:26:09,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 14:26:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 14:26:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 14:26:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 14:26:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 14:26:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 14:26:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 14:26:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 14:26:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 14:26:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 14:26:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 14:26:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 14:26:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-08 14:26:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-08 14:26:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 14:26:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 14:26:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 14:26:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 14:26:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 14:26:11,987 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 14:26:11,988 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 14:26:11,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:26:11 BoogieIcfgContainer [2019-08-08 14:26:11,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 14:26:11,989 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 14:26:11,990 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 14:26:11,990 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 14:26:11,991 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:26:11" (1/1) ... [2019-08-08 14:26:12,002 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 14:26:12,005 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 14:26:12,021 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 14:26:12,030 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 14:26:12,031 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 14:26:12,134 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 248 [2019-08-08 14:29:26,362 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 14:29:26,362 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 14:29:26,364 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 2044449#(and (= ~__return_185334~0 main_~check__tmp~1) (= main_~__tmp_2~0 main_~assert__arg~1) (= main_~main__c1~0 ~__return_185334~0) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1))) [2019-08-08 14:29:26,365 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 14:29:26,372 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 14:29:26,375 INFO L168 Benchmark]: Toolchain (without parser) took 197544.81 ms. Allocated memory was 133.2 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 87.7 MB in the beginning and 769.2 MB in the end (delta: -681.5 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-08-08 14:29:26,376 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 14:29:26,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.33 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.5 MB in the beginning and 169.7 MB in the end (delta: -82.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-08-08 14:29:26,378 INFO L168 Benchmark]: Boogie Preprocessor took 79.13 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 166.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-08 14:29:26,379 INFO L168 Benchmark]: RCFGBuilder took 2275.46 ms. Allocated memory was 201.3 MB in the beginning and 226.5 MB in the end (delta: 25.2 MB). Free memory was 166.4 MB in the beginning and 189.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2019-08-08 14:29:26,380 INFO L168 Benchmark]: Symbolic Interpretation took 194383.15 ms. Allocated memory was 226.5 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 189.0 MB in the beginning and 769.2 MB in the end (delta: -580.1 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-08-08 14:29:26,385 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 515]: 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 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.33 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.5 MB in the beginning and 169.7 MB in the end (delta: -82.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.13 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 166.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2275.46 ms. Allocated memory was 201.3 MB in the beginning and 226.5 MB in the end (delta: 25.2 MB). Free memory was 166.4 MB in the beginning and 189.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 194383.15 ms. Allocated memory was 226.5 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 189.0 MB in the beginning and 769.2 MB in the end (delta: -580.1 MB). 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...