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/Problem16_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:59:58,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:59:58,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:59:58,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:59:58,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:59:58,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:59:58,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:59:58,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:59:58,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:59:58,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:59:58,910 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:59:58,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:59:58,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:59:58,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:59:58,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:59:58,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:59:58,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:59:58,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:59:58,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:59:58,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:59:58,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:59:58,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:59:58,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:59:58,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:59:58,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:59:58,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:59:58,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:59:58,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:59:58,959 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 10:59:58,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:59:58,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:59:58,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:59:58,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:59:58,984 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:59:58,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:59:58,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:59:58,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:59:58,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:59:58,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:59:58,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:59:58,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:59:58,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:59:58,987 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:59:58,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:59:58,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:59:58,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:59:58,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:59:58,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:59:58,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:59:58,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:59:58,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:59:58,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:59:58,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:59:58,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:59:58,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:59:58,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:59:58,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:59:58,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:59:59,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:59:59,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:59:59,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:59:59,048 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:59:59,048 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:59:59,049 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label18.c [2019-08-08 10:59:59,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ededdeb1d/1f5b83c26c2f45508456ee5c3824b6d7/FLAGbe01960b2 [2019-08-08 10:59:59,757 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:59:59,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label18.c [2019-08-08 10:59:59,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ededdeb1d/1f5b83c26c2f45508456ee5c3824b6d7/FLAGbe01960b2 [2019-08-08 10:59:59,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ededdeb1d/1f5b83c26c2f45508456ee5c3824b6d7 [2019-08-08 10:59:59,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:59:59,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:59:59,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:59:59,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:59:59,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:59:59,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:59:59" (1/1) ... [2019-08-08 10:59:59,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c47dba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:59, skipping insertion in model container [2019-08-08 10:59:59,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:59:59" (1/1) ... [2019-08-08 10:59:59,943 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:00:00,022 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:00:00,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:00:00,903 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:00:01,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:00:01,397 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:00:01,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01 WrapperNode [2019-08-08 11:00:01,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:00:01,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:00:01,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:00:01,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:00:01,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01" (1/1) ... [2019-08-08 11:00:01,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01" (1/1) ... [2019-08-08 11:00:01,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01" (1/1) ... [2019-08-08 11:00:01,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01" (1/1) ... [2019-08-08 11:00:01,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01" (1/1) ... [2019-08-08 11:00:01,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01" (1/1) ... [2019-08-08 11:00:01,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01" (1/1) ... [2019-08-08 11:00:01,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:00:01,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:00:01,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:00:01,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:00:01,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:00:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:00:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:00:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:00:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:00:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:00:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:00:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:00:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:00:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:00:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:00:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:00:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:00:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:00:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:00:06,950 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:00:06,950 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:00:06,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:00:06 BoogieIcfgContainer [2019-08-08 11:00:06,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:00:06,952 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:00:06,953 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:00:06,953 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:00:06,954 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:00:06" (1/1) ... [2019-08-08 11:00:06,966 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:00:06,968 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:00:06,979 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:00:06,986 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:00:06,987 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:00:07,034 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 39 [2019-08-08 11:00:43,702 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 11:00:43,733 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:00:43,733 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:00:43,736 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 1039946#(and (= ~a16~0 8) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 3) (= ~a16~0 |old(~a16~0)|) (= |calculate_output_#in~input| calculate_output_~input) (or (not (= ~a12~0 6)) (not (= ~a16~0 8)) (not (<= (+ ~a18~0 156) 0)) (not (= ~a15~0 3))) (= ~a18~0 |old(~a18~0)|) (< 134 ~a18~0) (= ~a12~0 9) (= ~a15~0 |old(~a15~0)|)) [2019-08-08 11:00:43,737 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:00:43,746 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:00:43,749 INFO L168 Benchmark]: Toolchain (without parser) took 43822.64 ms. Allocated memory was 138.4 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 80.8 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 11:00:43,750 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:00:43,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1470.85 ms. Allocated memory was 138.4 MB in the beginning and 219.2 MB in the end (delta: 80.7 MB). Free memory was 80.6 MB in the beginning and 169.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:00:43,752 INFO L168 Benchmark]: Boogie Preprocessor took 201.94 ms. Allocated memory is still 219.2 MB. Free memory was 169.7 MB in the beginning and 158.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:00:43,753 INFO L168 Benchmark]: RCFGBuilder took 5350.84 ms. Allocated memory was 219.2 MB in the beginning and 280.0 MB in the end (delta: 60.8 MB). Free memory was 158.8 MB in the beginning and 92.7 MB in the end (delta: 66.1 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. [2019-08-08 11:00:43,754 INFO L168 Benchmark]: Symbolic Interpretation took 36793.52 ms. Allocated memory was 280.0 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 92.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:00:43,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: 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 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1470.85 ms. Allocated memory was 138.4 MB in the beginning and 219.2 MB in the end (delta: 80.7 MB). Free memory was 80.6 MB in the beginning and 169.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.94 ms. Allocated memory is still 219.2 MB. Free memory was 169.7 MB in the beginning and 158.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5350.84 ms. Allocated memory was 219.2 MB in the beginning and 280.0 MB in the end (delta: 60.8 MB). Free memory was 158.8 MB in the beginning and 92.7 MB in the end (delta: 66.1 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 36793.52 ms. Allocated memory was 280.0 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 92.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...