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/Problem17_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:04:32,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:04:32,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:04:32,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:04:32,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:04:32,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:04:32,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:04:32,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:04:32,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:04:32,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:04:32,084 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:04:32,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:04:32,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:04:32,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:04:32,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:04:32,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:04:32,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:04:32,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:04:32,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:04:32,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:04:32,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:04:32,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:04:32,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:04:32,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:04:32,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:04:32,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:04:32,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:04:32,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:04:32,112 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 11:04:32,128 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:04:32,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:04:32,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:04:32,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:04:32,130 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:04:32,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:04:32,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:04:32,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:04:32,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:04:32,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:04:32,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:04:32,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:04:32,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:04:32,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:04:32,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:04:32,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:04:32,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:04:32,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:04:32,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:04:32,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:04:32,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:04:32,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:04:32,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:04:32,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:04:32,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:04:32,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:04:32,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:04:32,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:04:32,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:04:32,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:04:32,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:04:32,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:04:32,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:04:32,180 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:04:32,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label49.c [2019-08-08 11:04:32,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd1975ec/fbbce75195844188b09fd7a9255d6258/FLAG271891845 [2019-08-08 11:04:32,962 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:04:32,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label49.c [2019-08-08 11:04:33,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd1975ec/fbbce75195844188b09fd7a9255d6258/FLAG271891845 [2019-08-08 11:04:33,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd1975ec/fbbce75195844188b09fd7a9255d6258 [2019-08-08 11:04:33,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:04:33,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:04:33,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:04:33,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:04:33,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:04:33,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:04:33" (1/1) ... [2019-08-08 11:04:33,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d63171a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:33, skipping insertion in model container [2019-08-08 11:04:33,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:04:33" (1/1) ... [2019-08-08 11:04:33,096 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:04:33,203 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:04:34,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:04:34,359 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:04:34,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:04:34,840 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:04:34,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34 WrapperNode [2019-08-08 11:04:34,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:04:34,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:04:34,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:04:34,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:04:34,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:34,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:35,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:35,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (1/1) ... [2019-08-08 11:04:35,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:04:35,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:04:35,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:04:35,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:04:35,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:04:34" (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 11:04:35,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:04:35,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:04:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:04:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:04:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:04:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:04:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:04:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:04:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:04:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:04:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:04:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:04:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:04:43,728 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:04:43,729 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:04:43,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:04:43 BoogieIcfgContainer [2019-08-08 11:04:43,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:04:43,731 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:04:43,731 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:04:43,733 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:04:43,734 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:04:43" (1/1) ... [2019-08-08 11:04:43,747 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:04:43,749 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:04:43,766 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:04:43,775 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:04:43,777 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:04:43,827 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 11:05:06,098 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 89 [2019-08-08 11:05:06,167 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:05:06,168 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:05:06,170 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 670320#(and (< 217 ~a26~0) (<= ~a28~0 300) (= ~a24~0 1) (<= ~a21~0 127) (< 134 ~a28~0) (<= (+ ~a14~0 182) 0)) [2019-08-08 11:05:06,172 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:05:06,180 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:05:06,183 INFO L168 Benchmark]: Toolchain (without parser) took 33108.87 ms. Allocated memory was 130.5 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 78.2 MB in the beginning and 221.1 MB in the end (delta: -142.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:05:06,185 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:05:06,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1764.98 ms. Allocated memory was 130.5 MB in the beginning and 229.1 MB in the end (delta: 98.6 MB). Free memory was 78.0 MB in the beginning and 142.1 MB in the end (delta: -64.1 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:05:06,187 INFO L168 Benchmark]: Boogie Preprocessor took 228.96 ms. Allocated memory is still 229.1 MB. Free memory was 142.1 MB in the beginning and 122.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:05:06,188 INFO L168 Benchmark]: RCFGBuilder took 8659.22 ms. Allocated memory was 229.1 MB in the beginning and 386.4 MB in the end (delta: 157.3 MB). Free memory was 122.8 MB in the beginning and 303.2 MB in the end (delta: -180.4 MB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:05:06,189 INFO L168 Benchmark]: Symbolic Interpretation took 22449.44 ms. Allocated memory was 386.4 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 303.2 MB in the beginning and 221.1 MB in the end (delta: 82.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:05:06,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 53]: 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 130.5 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1764.98 ms. Allocated memory was 130.5 MB in the beginning and 229.1 MB in the end (delta: 98.6 MB). Free memory was 78.0 MB in the beginning and 142.1 MB in the end (delta: -64.1 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 228.96 ms. Allocated memory is still 229.1 MB. Free memory was 142.1 MB in the beginning and 122.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8659.22 ms. Allocated memory was 229.1 MB in the beginning and 386.4 MB in the end (delta: 157.3 MB). Free memory was 122.8 MB in the beginning and 303.2 MB in the end (delta: -180.4 MB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 22449.44 ms. Allocated memory was 386.4 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 303.2 MB in the beginning and 221.1 MB in the end (delta: 82.1 MB). 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...