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/Problem04_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:05:52,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:05:52,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:05:52,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:05:52,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:05:52,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:05:52,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:05:52,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:05:52,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:05:52,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:05:52,947 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:05:52,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:05:52,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:05:52,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:05:52,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:05:52,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:05:52,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:05:52,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:05:52,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:05:52,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:05:52,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:05:52,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:05:52,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:05:52,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:05:52,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:05:52,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:05:52,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:05:52,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:05:52,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:05:52,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:05:52,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:05:52,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:05:52,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:05:52,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:05:52,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:05:52,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:05:52,984 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 [2019-08-14 11:05:53,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:05:53,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:05:53,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:05:53,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:05:53,010 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:05:53,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:05:53,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:05:53,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:05:53,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:05:53,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:05:53,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:05:53,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:05:53,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:05:53,013 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:05:53,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:05:53,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:05:53,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:05:53,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:05:53,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:05:53,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:05:53,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:05:53,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:05:53,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:05:53,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:05:53,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:05:53,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:05:53,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:05:53,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:05:53,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:05:53,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:05:53,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:05:53,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:05:53,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:05:53,094 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:05:53,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label41.c [2019-08-14 11:05:53,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664951ed5/40bd03055e9f4cbdbf2a687babeafb34/FLAG95c4a0754 [2019-08-14 11:05:53,931 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:05:53,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label41.c [2019-08-14 11:05:53,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664951ed5/40bd03055e9f4cbdbf2a687babeafb34/FLAG95c4a0754 [2019-08-14 11:05:54,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664951ed5/40bd03055e9f4cbdbf2a687babeafb34 [2019-08-14 11:05:54,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:05:54,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:05:54,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:05:54,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:05:54,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:05:54,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:05:54" (1/1) ... [2019-08-14 11:05:54,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56db914a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:54, skipping insertion in model container [2019-08-14 11:05:54,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:05:54" (1/1) ... [2019-08-14 11:05:54,520 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:05:54,675 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:05:56,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:05:56,296 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:05:57,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:05:57,115 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:05:57,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57 WrapperNode [2019-08-14 11:05:57,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:05:57,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:05:57,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:05:57,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:05:57,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57" (1/1) ... [2019-08-14 11:05:57,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57" (1/1) ... [2019-08-14 11:05:57,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57" (1/1) ... [2019-08-14 11:05:57,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57" (1/1) ... [2019-08-14 11:05:57,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57" (1/1) ... [2019-08-14 11:05:57,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57" (1/1) ... [2019-08-14 11:05:57,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57" (1/1) ... [2019-08-14 11:05:57,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:05:57,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:05:57,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:05:57,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:05:57,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:57" (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 [2019-08-14 11:05:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:05:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:05:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:05:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:05:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:05:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:05:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:05:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:05:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:05:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:05:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:05:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:05:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:05:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:05:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:05:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:05:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:06:02,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:06:02,446 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:06:02,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:06:02 BoogieIcfgContainer [2019-08-14 11:06:02,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:06:02,453 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:06:02,454 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:06:02,454 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:06:02,455 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:06:02" (1/1) ... [2019-08-14 11:06:06,955 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:06:06,964 INFO L168 Benchmark]: Toolchain (without parser) took 12458.75 ms. Allocated memory was 140.0 MB in the beginning and 666.4 MB in the end (delta: 526.4 MB). Free memory was 73.0 MB in the beginning and 497.5 MB in the end (delta: -424.5 MB). Peak memory consumption was 566.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:06,966 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:06:06,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2614.63 ms. Allocated memory was 140.0 MB in the beginning and 289.9 MB in the end (delta: 149.9 MB). Free memory was 72.8 MB in the beginning and 169.5 MB in the end (delta: -96.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:06,972 INFO L168 Benchmark]: Boogie Preprocessor took 438.39 ms. Allocated memory is still 289.9 MB. Free memory was 169.5 MB in the beginning and 140.6 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:06,974 INFO L168 Benchmark]: RCFGBuilder took 4896.42 ms. Allocated memory was 289.9 MB in the beginning and 416.8 MB in the end (delta: 126.9 MB). Free memory was 140.6 MB in the beginning and 112.8 MB in the end (delta: 27.8 MB). Peak memory consumption was 196.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:06,976 INFO L168 Benchmark]: Symbolic Interpretation took 4502.53 ms. Allocated memory was 416.8 MB in the beginning and 666.4 MB in the end (delta: 249.6 MB). Free memory was 112.8 MB in the beginning and 497.5 MB in the end (delta: -384.7 MB). Peak memory consumption was 329.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:06,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4790]: 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 73294#(and (= 1 ~a1~0) (= 1 ~a7~0) (= ~a14~0 19) (= 1 ~a3~0) (= ~a28~0 17) (= ~a25~0 1) (= ~a26~0 17) (= 16 ~a4~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2614.63 ms. Allocated memory was 140.0 MB in the beginning and 289.9 MB in the end (delta: 149.9 MB). Free memory was 72.8 MB in the beginning and 169.5 MB in the end (delta: -96.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 438.39 ms. Allocated memory is still 289.9 MB. Free memory was 169.5 MB in the beginning and 140.6 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4896.42 ms. Allocated memory was 289.9 MB in the beginning and 416.8 MB in the end (delta: 126.9 MB). Free memory was 140.6 MB in the beginning and 112.8 MB in the end (delta: 27.8 MB). Peak memory consumption was 196.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4502.53 ms. Allocated memory was 416.8 MB in the beginning and 666.4 MB in the end (delta: 249.6 MB). Free memory was 112.8 MB in the beginning and 497.5 MB in the end (delta: -384.7 MB). Peak memory consumption was 329.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...