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/eca-rers2012/Problem01_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:36:14,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:36:14,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:36:14,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:36:14,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:36:14,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:36:14,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:36:14,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:36:14,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:36:14,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:36:14,997 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:36:14,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:36:14,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:36:15,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:36:15,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:36:15,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:36:15,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:36:15,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:36:15,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:36:15,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:36:15,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:36:15,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:36:15,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:36:15,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:36:15,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-17 21:36:15,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-17 21:36:15,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-17 21:36:15,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-17 21:36:15,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-17 21:36:15,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-17 21:36:15,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:36:15,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:36:15,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:36:15,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:36:15,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:36:15,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:36:15,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:36:15,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:36:15,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:36:15,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:36:15,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:36:15,022 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 [2019-08-17 21:36:15,035 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:36:15,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:36:15,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:36:15,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:36:15,037 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:36:15,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:36:15,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:36:15,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:36:15,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:36:15,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:36:15,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:36:15,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:36:15,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:36:15,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:36:15,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:36:15,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:36:15,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:36:15,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:36:15,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:36:15,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:36:15,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:36:15,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:36:15,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:36:15,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:36:15,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:36:15,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:36:15,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:36:15,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:36:15,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:36:15,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:36:15,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:36:15,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:36:15,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:36:15,088 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:36:15,089 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label28.c [2019-08-17 21:36:15,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac9550491/d0128fa42a624daea223b896a0ef9dc3/FLAG91e78aefb [2019-08-17 21:36:15,712 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:36:15,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label28.c [2019-08-17 21:36:15,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac9550491/d0128fa42a624daea223b896a0ef9dc3/FLAG91e78aefb [2019-08-17 21:36:15,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac9550491/d0128fa42a624daea223b896a0ef9dc3 [2019-08-17 21:36:16,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:36:16,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:36:16,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:36:16,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:36:16,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:36:16,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:36:15" (1/1) ... [2019-08-17 21:36:16,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e9a21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16, skipping insertion in model container [2019-08-17 21:36:16,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:36:15" (1/1) ... [2019-08-17 21:36:16,021 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:36:16,081 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:36:16,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:36:16,692 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:36:16,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:36:16,817 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:36:16,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16 WrapperNode [2019-08-17 21:36:16,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:36:16,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:36:16,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:36:16,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:36:16,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16" (1/1) ... [2019-08-17 21:36:16,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16" (1/1) ... [2019-08-17 21:36:16,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16" (1/1) ... [2019-08-17 21:36:16,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16" (1/1) ... [2019-08-17 21:36:16,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16" (1/1) ... [2019-08-17 21:36:16,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16" (1/1) ... [2019-08-17 21:36:16,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16" (1/1) ... [2019-08-17 21:36:16,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:36:16,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:36:16,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:36:16,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:36:16,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:36:16" (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 [2019-08-17 21:36:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:36:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:36:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-17 21:36:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:36:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-17 21:36:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:36:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:36:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-17 21:36:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:36:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:36:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:36:18,172 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:36:18,173 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-17 21:36:18,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:36:18 BoogieIcfgContainer [2019-08-17 21:36:18,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:36:18,178 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:36:18,179 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:36:18,180 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:36:18,181 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:36:18" (1/1) ... [2019-08-17 21:36:18,200 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:36:18,210 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:36:18,226 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:36:18,237 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:36:18,238 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:36:18,317 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-17 21:36:19,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-17 21:36:19,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:36:19,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-17 21:36:19,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-17 21:36:19,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:36:19,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-17 21:36:19,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:36:19,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:36:19,573 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-17 21:36:19,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-17 21:36:19,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:36:19,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:36:19,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:36:19,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:36:19,612 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:36:19,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:36:19,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:36:19,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:36:19,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-17 21:36:19,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:36:19,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-17 21:36:19,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-17 21:36:19,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-17 21:36:19,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-17 21:36:19,798 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 82 [2019-08-17 21:36:19,938 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:36:19,939 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:36:19,943 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 27422#(and (= 1 ~a7~0) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= 15 ~a8~0) (not (= ~a17~0 1)) (= ~a16~0 6)) [2019-08-17 21:36:19,957 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:36:19,957 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:36:19,961 INFO L168 Benchmark]: Toolchain (without parser) took 3954.31 ms. Allocated memory was 136.8 MB in the beginning and 278.9 MB in the end (delta: 142.1 MB). Free memory was 82.9 MB in the beginning and 130.8 MB in the end (delta: -47.9 MB). Peak memory consumption was 152.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:36:19,965 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:36:19,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.43 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 82.7 MB in the beginning and 166.9 MB in the end (delta: -84.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:36:19,968 INFO L168 Benchmark]: Boogie Preprocessor took 125.07 ms. Allocated memory is still 201.9 MB. Free memory was 166.9 MB in the beginning and 161.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:36:19,970 INFO L168 Benchmark]: RCFGBuilder took 1233.52 ms. Allocated memory was 201.9 MB in the beginning and 219.7 MB in the end (delta: 17.8 MB). Free memory was 161.2 MB in the beginning and 178.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:36:19,971 INFO L168 Benchmark]: Symbolic Interpretation took 1779.31 ms. Allocated memory was 219.7 MB in the beginning and 278.9 MB in the end (delta: 59.2 MB). Free memory was 178.3 MB in the beginning and 130.8 MB in the end (delta: 47.5 MB). Peak memory consumption was 165.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:36:19,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 455]: 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 27422#(and (= 1 ~a7~0) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= 15 ~a8~0) (not (= ~a17~0 1)) (= ~a16~0 6)). 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 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 812.43 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 82.7 MB in the beginning and 166.9 MB in the end (delta: -84.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.07 ms. Allocated memory is still 201.9 MB. Free memory was 166.9 MB in the beginning and 161.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1233.52 ms. Allocated memory was 201.9 MB in the beginning and 219.7 MB in the end (delta: 17.8 MB). Free memory was 161.2 MB in the beginning and 178.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1779.31 ms. Allocated memory was 219.7 MB in the beginning and 278.9 MB in the end (delta: 59.2 MB). Free memory was 178.3 MB in the beginning and 130.8 MB in the end (delta: 47.5 MB). Peak memory consumption was 165.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...