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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:51:49,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:51:49,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:51:49,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:51:49,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:51:49,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:51:49,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:51:49,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:51:49,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:51:49,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:51:49,117 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:51:49,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:51:49,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:51:49,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:51:49,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:51:49,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:51:49,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:51:49,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:51:49,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:51:49,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:51:49,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:51:49,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:51:49,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:51:49,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:51:49,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:51:49,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:51:49,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:51:49,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:51:49,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:51:49,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:51:49,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:51:49,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:51:49,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:51:49,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:51:49,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:51:49,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:51:49,148 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 [2019-08-09 16:51:49,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:51:49,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:51:49,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:51:49,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:51:49,165 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:51:49,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:51:49,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:51:49,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:51:49,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:51:49,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:51:49,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:51:49,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:51:49,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:51:49,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:51:49,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:51:49,167 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:51:49,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:51:49,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:51:49,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:51:49,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:51:49,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:51:49,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:51:49,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:51:49,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:51:49,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:51:49,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:51:49,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:51:49,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:51:49,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:51:49,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:51:49,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:51:49,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:51:49,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:51:49,218 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:51:49,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label03.c [2019-08-09 16:51:49,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782b00962/7d62fa1942e042bc9da9806138394378/FLAG2be26e3bc [2019-08-09 16:51:49,953 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:51:49,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label03.c [2019-08-09 16:51:49,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782b00962/7d62fa1942e042bc9da9806138394378/FLAG2be26e3bc [2019-08-09 16:51:50,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782b00962/7d62fa1942e042bc9da9806138394378 [2019-08-09 16:51:50,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:51:50,142 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:51:50,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:51:50,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:51:50,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:51:50,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:51:50" (1/1) ... [2019-08-09 16:51:50,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe27438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:50, skipping insertion in model container [2019-08-09 16:51:50,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:51:50" (1/1) ... [2019-08-09 16:51:50,166 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:51:50,275 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:51:51,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:51:51,065 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:51:51,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:51:51,528 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:51:51,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51 WrapperNode [2019-08-09 16:51:51,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:51:51,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:51:51,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:51:51,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:51:51,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51" (1/1) ... [2019-08-09 16:51:51,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51" (1/1) ... [2019-08-09 16:51:51,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51" (1/1) ... [2019-08-09 16:51:51,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51" (1/1) ... [2019-08-09 16:51:51,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51" (1/1) ... [2019-08-09 16:51:51,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51" (1/1) ... [2019-08-09 16:51:51,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51" (1/1) ... [2019-08-09 16:51:51,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:51:51,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:51:51,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:51:51,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:51:51,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:51" (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 [2019-08-09 16:51:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:51:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:51:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:51:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:51:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:51:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:51:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:51:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:51:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:51:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:51:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:51:53,909 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:51:53,909 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:51:53,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:51:53 BoogieIcfgContainer [2019-08-09 16:51:53,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:51:53,917 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:51:53,917 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:51:53,917 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:51:53,918 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:51:53" (1/1) ... [2019-08-09 16:51:57,376 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:51:57,384 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:51:57,387 INFO L168 Benchmark]: Toolchain (without parser) took 7244.17 ms. Allocated memory was 134.2 MB in the beginning and 438.8 MB in the end (delta: 304.6 MB). Free memory was 84.8 MB in the beginning and 309.8 MB in the end (delta: -225.0 MB). Peak memory consumption was 335.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:57,388 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:51:57,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1382.44 ms. Allocated memory was 134.2 MB in the beginning and 223.3 MB in the end (delta: 89.1 MB). Free memory was 84.6 MB in the beginning and 170.5 MB in the end (delta: -85.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:57,390 INFO L168 Benchmark]: Boogie Preprocessor took 154.84 ms. Allocated memory is still 223.3 MB. Free memory was 170.5 MB in the beginning and 158.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:57,391 INFO L168 Benchmark]: RCFGBuilder took 2230.03 ms. Allocated memory was 223.3 MB in the beginning and 271.6 MB in the end (delta: 48.2 MB). Free memory was 158.5 MB in the beginning and 232.2 MB in the end (delta: -73.7 MB). Peak memory consumption was 130.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:57,392 INFO L168 Benchmark]: Symbolic Interpretation took 3467.93 ms. Allocated memory was 271.6 MB in the beginning and 438.8 MB in the end (delta: 167.2 MB). Free memory was 232.2 MB in the beginning and 309.8 MB in the end (delta: -77.6 MB). Peak memory consumption was 345.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:57,397 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1527]: 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. Predicate is 61832#(and (= ~a18~0 1) (= ~a27~0 1) (= 1 ~a5~0) (= 1 ~a6~0) (not (= ~a12~0 1)) (= 0 ~a3~0) (= ~a11~0 1) (= ~a26~0 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 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1382.44 ms. Allocated memory was 134.2 MB in the beginning and 223.3 MB in the end (delta: 89.1 MB). Free memory was 84.6 MB in the beginning and 170.5 MB in the end (delta: -85.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.84 ms. Allocated memory is still 223.3 MB. Free memory was 170.5 MB in the beginning and 158.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2230.03 ms. Allocated memory was 223.3 MB in the beginning and 271.6 MB in the end (delta: 48.2 MB). Free memory was 158.5 MB in the beginning and 232.2 MB in the end (delta: -73.7 MB). Peak memory consumption was 130.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3467.93 ms. Allocated memory was 271.6 MB in the beginning and 438.8 MB in the end (delta: 167.2 MB). Free memory was 232.2 MB in the beginning and 309.8 MB in the end (delta: -77.6 MB). Peak memory consumption was 345.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...