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/Problem03_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:01:44,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:01:44,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:01:44,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:01:44,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:01:44,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:01:44,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:01:44,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:01:44,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:01:44,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:01:44,986 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:01:44,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:01:44,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:01:44,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:01:44,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:01:44,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:01:44,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:01:44,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:01:44,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:01:44,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:01:44,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:01:44,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:01:45,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:01:45,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:01:45,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:01:45,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:01:45,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:01:45,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:01:45,027 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 10:01:45,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:01:45,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:01:45,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:01:45,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:01:45,054 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:01:45,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:01:45,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:01:45,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:01:45,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:01:45,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:01:45,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:01:45,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:01:45,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:01:45,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:01:45,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:01:45,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:01:45,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:01:45,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:01:45,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:01:45,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:01:45,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:01:45,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:01:45,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:01:45,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:01:45,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:01:45,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:01:45,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:01:45,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:01:45,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:01:45,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:01:45,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:01:45,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:01:45,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:01:45,145 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:01:45,146 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label21.c [2019-08-08 10:01:45,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485ad06fa/e4f1c27b7e9f4415babc8752ee745ba8/FLAGb6134b76c [2019-08-08 10:01:45,865 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:01:45,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label21.c [2019-08-08 10:01:45,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485ad06fa/e4f1c27b7e9f4415babc8752ee745ba8/FLAGb6134b76c [2019-08-08 10:01:46,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485ad06fa/e4f1c27b7e9f4415babc8752ee745ba8 [2019-08-08 10:01:46,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:01:46,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:01:46,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:46,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:01:46,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:01:46,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:46,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5b92e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:46, skipping insertion in model container [2019-08-08 10:01:46,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:46" (1/1) ... [2019-08-08 10:01:46,037 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:01:46,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:01:46,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:46,920 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:01:47,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:47,307 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:01:47,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47 WrapperNode [2019-08-08 10:01:47,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:47,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:01:47,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:01:47,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:01:47,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47" (1/1) ... [2019-08-08 10:01:47,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47" (1/1) ... [2019-08-08 10:01:47,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47" (1/1) ... [2019-08-08 10:01:47,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47" (1/1) ... [2019-08-08 10:01:47,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47" (1/1) ... [2019-08-08 10:01:47,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47" (1/1) ... [2019-08-08 10:01:47,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47" (1/1) ... [2019-08-08 10:01:47,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:01:47,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:01:47,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:01:47,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:01:47,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:47" (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 10:01:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:01:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:01:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:01:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:01:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:01:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:01:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:01:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:01:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:01:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:01:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:01:51,702 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:01:51,703 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:01:51,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:51 BoogieIcfgContainer [2019-08-08 10:01:51,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:01:51,705 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:01:51,705 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:01:51,706 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:01:51,707 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:51" (1/1) ... [2019-08-08 10:01:51,718 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:01:51,721 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:01:51,731 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:01:51,741 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:01:51,742 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:01:51,843 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:01:55,249 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:01:56,518 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:01:56,519 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:01:56,521 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 98879#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a6~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (= 0 ~a3~0) (not (= ~a11~0 1)) (= ~a26~0 1)) [2019-08-08 10:01:56,522 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:01:56,529 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:01:56,532 INFO L168 Benchmark]: Toolchain (without parser) took 10510.35 ms. Allocated memory was 141.0 MB in the beginning and 519.0 MB in the end (delta: 378.0 MB). Free memory was 82.1 MB in the beginning and 191.1 MB in the end (delta: -109.0 MB). Peak memory consumption was 311.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:56,533 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 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 10:01:56,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1286.75 ms. Allocated memory was 141.0 MB in the beginning and 226.5 MB in the end (delta: 85.5 MB). Free memory was 81.9 MB in the beginning and 174.8 MB in the end (delta: -92.9 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:56,535 INFO L168 Benchmark]: Boogie Preprocessor took 156.78 ms. Allocated memory is still 226.5 MB. Free memory was 174.8 MB in the beginning and 163.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:56,536 INFO L168 Benchmark]: RCFGBuilder took 4238.48 ms. Allocated memory was 226.5 MB in the beginning and 271.6 MB in the end (delta: 45.1 MB). Free memory was 163.8 MB in the beginning and 234.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 129.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:56,537 INFO L168 Benchmark]: Symbolic Interpretation took 4824.52 ms. Allocated memory was 271.6 MB in the beginning and 519.0 MB in the end (delta: 247.5 MB). Free memory was 234.7 MB in the beginning and 191.1 MB in the end (delta: 43.6 MB). Peak memory consumption was 333.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:56,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1641]: 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 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 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 1286.75 ms. Allocated memory was 141.0 MB in the beginning and 226.5 MB in the end (delta: 85.5 MB). Free memory was 81.9 MB in the beginning and 174.8 MB in the end (delta: -92.9 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.78 ms. Allocated memory is still 226.5 MB. Free memory was 174.8 MB in the beginning and 163.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4238.48 ms. Allocated memory was 226.5 MB in the beginning and 271.6 MB in the end (delta: 45.1 MB). Free memory was 163.8 MB in the beginning and 234.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 129.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4824.52 ms. Allocated memory was 271.6 MB in the beginning and 519.0 MB in the end (delta: 247.5 MB). Free memory was 234.7 MB in the beginning and 191.1 MB in the end (delta: 43.6 MB). Peak memory consumption was 333.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...