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 0.1.24-55cd5f5 [2019-08-14 11:49:57,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:49:57,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:49:57,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:49:57,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:49:57,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:49:57,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:49:57,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:49:57,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:49:57,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:49:57,660 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:49:57,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:49:57,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:49:57,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:49:57,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:49:57,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:49:57,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:49:57,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:49:57,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:49:57,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:49:57,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:49:57,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:49:57,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:49:57,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:49:57,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:49:57,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:49:57,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:49:57,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:49:57,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:49:57,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:49:57,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:49:57,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:49:57,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:49:57,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:49:57,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:49:57,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:49:57,690 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 11:49:57,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:49:57,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:49:57,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:49:57,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:49:57,720 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:49:57,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:49:57,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:49:57,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:49:57,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:49:57,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:49:57,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:49:57,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:49:57,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:49:57,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:49:57,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:49:57,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:49:57,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:49:57,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:49:57,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:49:57,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:49:57,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:49:57,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:49:57,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:49:57,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:49:57,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:49:57,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:49:57,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:49:57,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:49:57,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:49:57,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:49:57,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:49:57,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:49:57,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:49:57,790 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:49:57,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-08-14 11:49:57,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bab031ab/a8f497d16679467f8e013d2647d013f6/FLAGbf39e65be [2019-08-14 11:49:58,432 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:49:58,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-08-14 11:49:58,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bab031ab/a8f497d16679467f8e013d2647d013f6/FLAGbf39e65be [2019-08-14 11:49:58,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bab031ab/a8f497d16679467f8e013d2647d013f6 [2019-08-14 11:49:58,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:49:58,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:49:58,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:49:58,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:49:58,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:49:58,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:49:58" (1/1) ... [2019-08-14 11:49:58,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7111881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:58, skipping insertion in model container [2019-08-14 11:49:58,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:49:58" (1/1) ... [2019-08-14 11:49:58,724 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:49:58,779 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:49:59,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:49:59,333 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:49:59,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:49:59,510 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:49:59,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59 WrapperNode [2019-08-14 11:49:59,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:49:59,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:49:59,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:49:59,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:49:59,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59" (1/1) ... [2019-08-14 11:49:59,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59" (1/1) ... [2019-08-14 11:49:59,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59" (1/1) ... [2019-08-14 11:49:59,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59" (1/1) ... [2019-08-14 11:49:59,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59" (1/1) ... [2019-08-14 11:49:59,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59" (1/1) ... [2019-08-14 11:49:59,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59" (1/1) ... [2019-08-14 11:49:59,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:49:59,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:49:59,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:49:59,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:49:59,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:59" (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 11:49:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:49:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:49:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:49:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:49:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:49:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:49:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:49:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:49:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:49:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:49:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:50:00,955 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:50:00,956 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:50:00,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:50:00 BoogieIcfgContainer [2019-08-14 11:50:00,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:50:00,960 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:50:00,960 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:50:00,961 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:50:00,962 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:50:00" (1/1) ... [2019-08-14 11:50:21,515 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:50:21,518 INFO L168 Benchmark]: Toolchain (without parser) took 22809.32 ms. Allocated memory was 133.7 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 88.1 MB in the beginning and 700.2 MB in the end (delta: -612.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:50:21,520 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:50:21,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.26 ms. Allocated memory was 133.7 MB in the beginning and 204.5 MB in the end (delta: 70.8 MB). Free memory was 87.9 MB in the beginning and 168.8 MB in the end (delta: -80.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:21,522 INFO L168 Benchmark]: Boogie Preprocessor took 133.19 ms. Allocated memory is still 204.5 MB. Free memory was 168.8 MB in the beginning and 164.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:21,523 INFO L168 Benchmark]: RCFGBuilder took 1313.73 ms. Allocated memory was 204.5 MB in the beginning and 229.6 MB in the end (delta: 25.2 MB). Free memory was 164.2 MB in the beginning and 183.0 MB in the end (delta: -18.8 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:21,524 INFO L168 Benchmark]: Symbolic Interpretation took 20555.47 ms. Allocated memory was 229.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 183.0 MB in the beginning and 700.2 MB in the end (delta: -517.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:50:21,529 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: Over-approximation of reachable states at this location is 158968#(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 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.26 ms. Allocated memory was 133.7 MB in the beginning and 204.5 MB in the end (delta: 70.8 MB). Free memory was 87.9 MB in the beginning and 168.8 MB in the end (delta: -80.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.19 ms. Allocated memory is still 204.5 MB. Free memory was 168.8 MB in the beginning and 164.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1313.73 ms. Allocated memory was 204.5 MB in the beginning and 229.6 MB in the end (delta: 25.2 MB). Free memory was 164.2 MB in the beginning and 183.0 MB in the end (delta: -18.8 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 20555.47 ms. Allocated memory was 229.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 183.0 MB in the beginning and 700.2 MB in the end (delta: -517.2 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...