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/Problem02_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:01:58,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:01:58,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:01:58,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:01:58,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:01:58,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:01:58,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:01:58,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:01:58,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:01:58,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:01:58,387 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:01:58,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:01:58,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:01:58,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:01:58,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:01:58,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:01:58,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:01:58,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:01:58,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:01:58,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:01:58,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:01:58,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:01:58,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:01:58,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:01:58,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:01:58,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:01:58,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:01:58,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:01:58,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:01:58,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:01:58,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:01:58,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:01:58,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:01:58,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:01:58,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:01:58,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:01:58,411 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 11:01:58,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:01:58,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:01:58,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:01:58,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:01:58,432 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:01:58,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:01:58,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:01:58,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:01:58,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:01:58,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:01:58,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:01:58,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:01:58,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:01:58,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:01:58,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:01:58,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:01:58,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:01:58,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:01:58,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:01:58,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:01:58,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:01:58,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:01:58,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:01:58,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:01:58,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:01:58,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:01:58,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:01:58,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:01:58,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:01:58,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:01:58,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:01:58,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:01:58,503 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:01:58,503 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:01:58,504 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28.c [2019-08-14 11:01:58,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ace3a87/2d3d3e5c39784e2f92878e908a222804/FLAG8c66c62b6 [2019-08-14 11:01:59,142 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:01:59,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label28.c [2019-08-14 11:01:59,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ace3a87/2d3d3e5c39784e2f92878e908a222804/FLAG8c66c62b6 [2019-08-14 11:01:59,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ace3a87/2d3d3e5c39784e2f92878e908a222804 [2019-08-14 11:01:59,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:01:59,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:01:59,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:01:59,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:01:59,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:01:59,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:01:59" (1/1) ... [2019-08-14 11:01:59,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191144aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:59, skipping insertion in model container [2019-08-14 11:01:59,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:01:59" (1/1) ... [2019-08-14 11:01:59,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:01:59,506 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:01:59,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:01:59,916 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:02:00,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:00,178 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:02:00,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00 WrapperNode [2019-08-14 11:02:00,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:00,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:02:00,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:02:00,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:02:00,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00" (1/1) ... [2019-08-14 11:02:00,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00" (1/1) ... [2019-08-14 11:02:00,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00" (1/1) ... [2019-08-14 11:02:00,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00" (1/1) ... [2019-08-14 11:02:00,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00" (1/1) ... [2019-08-14 11:02:00,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00" (1/1) ... [2019-08-14 11:02:00,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00" (1/1) ... [2019-08-14 11:02:00,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:02:00,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:02:00,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:02:00,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:02:00,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:00" (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 11:02:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:02:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:02:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:02:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:02:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:02:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:02:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:02:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:02:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:02:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:02:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:02:01,829 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:02:01,830 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:02:01,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:01 BoogieIcfgContainer [2019-08-14 11:02:01,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:02:01,832 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:02:01,832 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:02:01,832 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:02:01,834 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:01" (1/1) ... [2019-08-14 11:02:02,810 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:02:02,813 INFO L168 Benchmark]: Toolchain (without parser) took 3392.92 ms. Allocated memory was 140.0 MB in the beginning and 266.3 MB in the end (delta: 126.4 MB). Free memory was 86.1 MB in the beginning and 157.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:02,814 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 140.0 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 11:02:02,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.56 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 85.6 MB in the beginning and 168.9 MB in the end (delta: -83.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:02,817 INFO L168 Benchmark]: Boogie Preprocessor took 127.05 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 164.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:02,820 INFO L168 Benchmark]: RCFGBuilder took 1524.80 ms. Allocated memory was 202.9 MB in the beginning and 228.1 MB in the end (delta: 25.2 MB). Free memory was 164.2 MB in the beginning and 182.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:02,821 INFO L168 Benchmark]: Symbolic Interpretation took 978.15 ms. Allocated memory was 228.1 MB in the beginning and 266.3 MB in the end (delta: 38.3 MB). Free memory was 182.1 MB in the beginning and 157.4 MB in the end (delta: 24.7 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:02,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 544]: 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 12623#(and (= ~a28~0 11) (= ~a17~0 7) (not (= ~a25~0 1)) (= ~a19~0 1) (= ~a21~0 1) (not (= ~a11~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 140.0 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.56 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 85.6 MB in the beginning and 168.9 MB in the end (delta: -83.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.05 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 164.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1524.80 ms. Allocated memory was 202.9 MB in the beginning and 228.1 MB in the end (delta: 25.2 MB). Free memory was 164.2 MB in the beginning and 182.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 978.15 ms. Allocated memory was 228.1 MB in the beginning and 266.3 MB in the end (delta: 38.3 MB). Free memory was 182.1 MB in the beginning and 157.4 MB in the end (delta: 24.7 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...