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/Problem10_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:38:13,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:38:13,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:38:13,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:38:13,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:38:13,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:38:13,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:38:13,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:38:13,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:38:13,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:38:13,673 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:38:13,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:38:13,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:38:13,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:38:13,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:38:13,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:38:13,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:38:13,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:38:13,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:38:13,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:38:13,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:38:13,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:38:13,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:38:13,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:38:13,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 17:38:13,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:38:13,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:38:13,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:38:13,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:38:13,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:38:13,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:38:13,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:38:13,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:38:13,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:38:13,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:38:13,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:38:13,701 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 17:38:13,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:38:13,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:38:13,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:38:13,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:38:13,718 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:38:13,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:38:13,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:38:13,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:38:13,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:38:13,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:38:13,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:38:13,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:38:13,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:38:13,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:38:13,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:38:13,720 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:38:13,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:38:13,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:38:13,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:38:13,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:38:13,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:38:13,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:38:13,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:38:13,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:38:13,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:38:13,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:38:13,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:38:13,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:38:13,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:38:13,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:38:13,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:38:13,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:38:13,778 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:38:13,778 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:38:13,779 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-08-09 17:38:13,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ecb4f0b/405e618b796745928df6e14792b6562b/FLAGe7cdcdfa7 [2019-08-09 17:38:14,388 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:38:14,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-08-09 17:38:14,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ecb4f0b/405e618b796745928df6e14792b6562b/FLAGe7cdcdfa7 [2019-08-09 17:38:14,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ecb4f0b/405e618b796745928df6e14792b6562b [2019-08-09 17:38:14,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:38:14,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:38:14,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:14,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:38:14,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:38:14,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:14" (1/1) ... [2019-08-09 17:38:14,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4096715b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:14, skipping insertion in model container [2019-08-09 17:38:14,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:14" (1/1) ... [2019-08-09 17:38:14,678 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:38:14,747 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:38:15,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:15,336 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:38:15,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:15,471 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:38:15,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15 WrapperNode [2019-08-09 17:38:15,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:15,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:38:15,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:38:15,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:38:15,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15" (1/1) ... [2019-08-09 17:38:15,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15" (1/1) ... [2019-08-09 17:38:15,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15" (1/1) ... [2019-08-09 17:38:15,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15" (1/1) ... [2019-08-09 17:38:15,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15" (1/1) ... [2019-08-09 17:38:15,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15" (1/1) ... [2019-08-09 17:38:15,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15" (1/1) ... [2019-08-09 17:38:15,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:38:15,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:38:15,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:38:15,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:38:15,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:15" (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 17:38:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:38:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:38:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:38:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:38:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:38:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:38:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:38:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:38:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:38:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:38:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:38:17,010 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:38:17,010 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:38:17,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:17 BoogieIcfgContainer [2019-08-09 17:38:17,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:38:17,013 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:38:17,013 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:38:17,013 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:38:17,014 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:17" (1/1) ... [2019-08-09 17:38:37,868 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:38:37,878 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:38:37,883 INFO L168 Benchmark]: Toolchain (without parser) took 23220.77 ms. Allocated memory was 138.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 85.6 MB in the beginning and 1.0 GB in the end (delta: -919.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-09 17:38:37,884 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 17:38:37,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.99 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 85.4 MB in the beginning and 168.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:37,888 INFO L168 Benchmark]: Boogie Preprocessor took 100.75 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 164.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:37,890 INFO L168 Benchmark]: RCFGBuilder took 1438.40 ms. Allocated memory was 202.9 MB in the beginning and 225.4 MB in the end (delta: 22.5 MB). Free memory was 163.3 MB in the beginning and 181.6 MB in the end (delta: -18.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:37,892 INFO L168 Benchmark]: Symbolic Interpretation took 20866.59 ms. Allocated memory was 225.4 MB in the beginning and 1.2 GB in the end (delta: 962.1 MB). Free memory was 181.6 MB in the beginning and 1.0 GB in the end (delta: -823.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 17:38:37,898 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 100]: 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 157219#(and (< 218 ~a1~0) (= 14 ~a4~0) (= ~a10~0 4) (= ~a12~0 0) (= ~a19~0 7)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 810.99 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 85.4 MB in the beginning and 168.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.75 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 164.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1438.40 ms. Allocated memory was 202.9 MB in the beginning and 225.4 MB in the end (delta: 22.5 MB). Free memory was 163.3 MB in the beginning and 181.6 MB in the end (delta: -18.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 20866.59 ms. Allocated memory was 225.4 MB in the beginning and 1.2 GB in the end (delta: 962.1 MB). Free memory was 181.6 MB in the beginning and 1.0 GB in the end (delta: -823.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...