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_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:50:39,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:50:39,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:50:39,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:50:39,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:50:39,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:50:39,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:50:39,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:50:39,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:50:39,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:50:39,631 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:50:39,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:50:39,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:50:39,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:50:39,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:50:39,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:50:39,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:50:39,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:50:39,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:50:39,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:50:39,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:50:39,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:50:39,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:50:39,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:50:39,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:50:39,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:50:39,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:50:39,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:50:39,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:50:39,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:50:39,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:50:39,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:50:39,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:50:39,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:50:39,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:50:39,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:50:39,666 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 16:50:39,680 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:50:39,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:50:39,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:50:39,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:50:39,682 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:50:39,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:50:39,682 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:50:39,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:50:39,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:50:39,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:50:39,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:50:39,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:50:39,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:50:39,684 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:50:39,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:50:39,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:50:39,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:50:39,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:50:39,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:50:39,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:50:39,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:50:39,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:50:39,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:50:39,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:50:39,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:50:39,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:50:39,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:50:39,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:50:39,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:50:39,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:50:39,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:50:39,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:50:39,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:50:39,748 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:50:39,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2019-08-09 16:50:39,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b928d708f/b204267f40884beb8776e017552096fd/FLAG8603c4475 [2019-08-09 16:50:40,405 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:50:40,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2019-08-09 16:50:40,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b928d708f/b204267f40884beb8776e017552096fd/FLAG8603c4475 [2019-08-09 16:50:40,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b928d708f/b204267f40884beb8776e017552096fd [2019-08-09 16:50:40,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:50:40,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:50:40,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:50:40,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:50:40,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:50:40,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:50:40" (1/1) ... [2019-08-09 16:50:40,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5653d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:40, skipping insertion in model container [2019-08-09 16:50:40,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:50:40" (1/1) ... [2019-08-09 16:50:40,698 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:50:40,751 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:50:41,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:50:41,174 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:50:41,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:50:41,389 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:50:41,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41 WrapperNode [2019-08-09 16:50:41,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:50:41,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:50:41,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:50:41,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:50:41,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41" (1/1) ... [2019-08-09 16:50:41,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41" (1/1) ... [2019-08-09 16:50:41,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41" (1/1) ... [2019-08-09 16:50:41,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41" (1/1) ... [2019-08-09 16:50:41,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41" (1/1) ... [2019-08-09 16:50:41,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41" (1/1) ... [2019-08-09 16:50:41,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41" (1/1) ... [2019-08-09 16:50:41,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:50:41,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:50:41,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:50:41,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:50:41,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:41" (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 16:50:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:50:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:50:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:50:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:50:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:50:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:50:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:50:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:50:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:50:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:50:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:50:42,744 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:50:42,744 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:50:42,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:50:42 BoogieIcfgContainer [2019-08-09 16:50:42,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:50:42,746 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:50:42,746 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:50:42,747 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:50:42,748 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:50:42" (1/1) ... [2019-08-09 16:50:43,767 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:50:43,775 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:50:43,779 INFO L168 Benchmark]: Toolchain (without parser) took 3096.30 ms. Allocated memory was 132.6 MB in the beginning and 270.0 MB in the end (delta: 137.4 MB). Free memory was 85.9 MB in the beginning and 177.8 MB in the end (delta: -91.9 MB). Peak memory consumption was 111.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:43,780 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:50:43,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.31 ms. Allocated memory was 132.6 MB in the beginning and 203.4 MB in the end (delta: 70.8 MB). Free memory was 85.7 MB in the beginning and 168.8 MB in the end (delta: -83.1 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:43,782 INFO L168 Benchmark]: Boogie Preprocessor took 124.01 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 164.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:43,783 INFO L168 Benchmark]: RCFGBuilder took 1231.36 ms. Allocated memory was 203.4 MB in the beginning and 226.5 MB in the end (delta: 23.1 MB). Free memory was 164.1 MB in the beginning and 183.0 MB in the end (delta: -18.9 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:43,784 INFO L168 Benchmark]: Symbolic Interpretation took 1029.51 ms. Allocated memory was 226.5 MB in the beginning and 270.0 MB in the end (delta: 43.5 MB). Free memory was 181.6 MB in the beginning and 177.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:43,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 463]: 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 11716#(and (= ~a28~0 8) (= ~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 0.47 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.31 ms. Allocated memory was 132.6 MB in the beginning and 203.4 MB in the end (delta: 70.8 MB). Free memory was 85.7 MB in the beginning and 168.8 MB in the end (delta: -83.1 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.01 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 164.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1231.36 ms. Allocated memory was 203.4 MB in the beginning and 226.5 MB in the end (delta: 23.1 MB). Free memory was 164.1 MB in the beginning and 183.0 MB in the end (delta: -18.9 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1029.51 ms. Allocated memory was 226.5 MB in the beginning and 270.0 MB in the end (delta: 43.5 MB). Free memory was 181.6 MB in the beginning and 177.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...