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/Problem06_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:09:56,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:09:56,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:09:56,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:09:56,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:09:56,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:09:56,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:09:56,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:09:56,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:09:56,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:09:56,276 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:09:56,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:09:56,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:09:56,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:09:56,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:09:56,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:09:56,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:09:56,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:09:56,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:09:56,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:09:56,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:09:56,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:09:56,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:09:56,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:09:56,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:09:56,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:09:56,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:09:56,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:09:56,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:09:56,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:09:56,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:09:56,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:09:56,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:09:56,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:09:56,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:09:56,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:09:56,303 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 11:09:56,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:09:56,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:09:56,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:09:56,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:09:56,319 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:09:56,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:09:56,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:09:56,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:09:56,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:09:56,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:09:56,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:09:56,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:09:56,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:09:56,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:09:56,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:09:56,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:09:56,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:09:56,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:09:56,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:09:56,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:09:56,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:09:56,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:09:56,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:09:56,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:09:56,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:09:56,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:09:56,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:09:56,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:09:56,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:09:56,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:09:56,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:09:56,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:09:56,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:09:56,373 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:09:56,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label46.c [2019-08-14 11:09:56,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac874cc1/d29b5e914f5c47ecb99636dd528e9429/FLAGbedfb72d1 [2019-08-14 11:09:57,415 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:09:57,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label46.c [2019-08-14 11:09:57,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac874cc1/d29b5e914f5c47ecb99636dd528e9429/FLAGbedfb72d1 [2019-08-14 11:09:57,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac874cc1/d29b5e914f5c47ecb99636dd528e9429 [2019-08-14 11:09:57,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:09:57,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:09:57,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:57,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:09:57,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:09:57,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:57" (1/1) ... [2019-08-14 11:09:57,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6958184f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:57, skipping insertion in model container [2019-08-14 11:09:57,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:57" (1/1) ... [2019-08-14 11:09:57,823 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:09:58,076 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:10:00,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:10:00,246 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:10:02,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:10:02,130 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:10:02,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02 WrapperNode [2019-08-14 11:10:02,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:10:02,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:10:02,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:10:02,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:10:02,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02" (1/1) ... [2019-08-14 11:10:02,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02" (1/1) ... [2019-08-14 11:10:02,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02" (1/1) ... [2019-08-14 11:10:02,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02" (1/1) ... [2019-08-14 11:10:02,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02" (1/1) ... [2019-08-14 11:10:02,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02" (1/1) ... [2019-08-14 11:10:02,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02" (1/1) ... [2019-08-14 11:10:02,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:10:02,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:10:02,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:10:02,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:10:02,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:10:02" (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 11:10:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:10:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:10:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:10:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:10:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:10:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:10:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 11:10:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:10:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:10:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:10:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:10:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:10:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 11:10:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:10:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:10:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:10:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:10:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:10:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:10:12,102 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:10:12,102 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:10:12,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:10:12 BoogieIcfgContainer [2019-08-14 11:10:12,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:10:12,105 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:10:12,105 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:10:12,105 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:10:12,106 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:10:12" (1/1) ... [2019-08-14 11:10:18,556 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:10:18,560 INFO L168 Benchmark]: Toolchain (without parser) took 20788.21 ms. Allocated memory was 132.1 MB in the beginning and 865.1 MB in the end (delta: 733.0 MB). Free memory was 60.3 MB in the beginning and 407.1 MB in the end (delta: -346.8 MB). Peak memory consumption was 542.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:18,561 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 11:10:18,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4358.93 ms. Allocated memory was 132.1 MB in the beginning and 317.2 MB in the end (delta: 185.1 MB). Free memory was 59.9 MB in the beginning and 110.2 MB in the end (delta: -50.3 MB). Peak memory consumption was 158.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:18,565 INFO L168 Benchmark]: Boogie Preprocessor took 808.71 ms. Allocated memory was 317.2 MB in the beginning and 322.4 MB in the end (delta: 5.2 MB). Free memory was 110.2 MB in the beginning and 190.7 MB in the end (delta: -80.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:18,567 INFO L168 Benchmark]: RCFGBuilder took 9162.17 ms. Allocated memory was 322.4 MB in the beginning and 643.8 MB in the end (delta: 321.4 MB). Free memory was 187.9 MB in the beginning and 502.8 MB in the end (delta: -314.8 MB). Peak memory consumption was 338.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:18,568 INFO L168 Benchmark]: Symbolic Interpretation took 6451.66 ms. Allocated memory was 643.8 MB in the beginning and 865.1 MB in the end (delta: 221.2 MB). Free memory was 502.8 MB in the beginning and 407.1 MB in the end (delta: 95.7 MB). Peak memory consumption was 473.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:18,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9438]: 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 127405#(and (= 12 ~a3~0) (not (= ~a26~0 1)) (= ~a10~0 1) (= ~a27~0 19) (= ~a14~0 5) (= 1 ~a2~0) (not (= ~a25~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4358.93 ms. Allocated memory was 132.1 MB in the beginning and 317.2 MB in the end (delta: 185.1 MB). Free memory was 59.9 MB in the beginning and 110.2 MB in the end (delta: -50.3 MB). Peak memory consumption was 158.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 808.71 ms. Allocated memory was 317.2 MB in the beginning and 322.4 MB in the end (delta: 5.2 MB). Free memory was 110.2 MB in the beginning and 190.7 MB in the end (delta: -80.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9162.17 ms. Allocated memory was 322.4 MB in the beginning and 643.8 MB in the end (delta: 321.4 MB). Free memory was 187.9 MB in the beginning and 502.8 MB in the end (delta: -314.8 MB). Peak memory consumption was 338.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6451.66 ms. Allocated memory was 643.8 MB in the beginning and 865.1 MB in the end (delta: 221.2 MB). Free memory was 502.8 MB in the beginning and 407.1 MB in the end (delta: 95.7 MB). Peak memory consumption was 473.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...