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_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:38:19,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:38:19,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:38:19,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:38:19,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:38:19,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:38:19,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:38:19,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:38:19,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:38:19,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:38:19,739 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:38:19,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:38:19,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:38:19,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:38:19,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:38:19,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:38:19,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:38:19,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:38:19,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:38:19,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:38:19,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:38:19,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:38:19,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:38:19,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:38:19,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 17:38:19,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:38:19,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:38:19,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:38:19,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:38:19,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:38:19,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:38:19,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:38:19,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:38:19,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:38:19,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:38:19,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:38:19,765 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 17:38:19,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:38:19,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:38:19,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:38:19,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:38:19,782 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:38:19,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:38:19,782 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:38:19,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:38:19,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:38:19,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:38:19,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:38:19,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:38:19,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:38:19,784 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:38:19,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:38:19,784 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:38:19,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:38:19,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:38:19,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:38:19,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:38:19,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:38:19,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:38:19,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:38:19,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:38:19,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:38:19,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:38:19,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:38:19,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:38:19,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:38:19,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:38:19,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:38:19,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:38:19,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:38:19,843 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:38:19,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label41.c [2019-08-09 17:38:19,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13ae5464/269e48279afc4f989af24b63cbe0761c/FLAGc6e63ecb7 [2019-08-09 17:38:20,482 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:38:20,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label41.c [2019-08-09 17:38:20,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13ae5464/269e48279afc4f989af24b63cbe0761c/FLAGc6e63ecb7 [2019-08-09 17:38:20,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13ae5464/269e48279afc4f989af24b63cbe0761c [2019-08-09 17:38:20,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:38:20,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:38:20,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:20,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:38:20,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:38:20,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:20" (1/1) ... [2019-08-09 17:38:20,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4516f221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:20, skipping insertion in model container [2019-08-09 17:38:20,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:20" (1/1) ... [2019-08-09 17:38:20,818 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:38:20,884 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:38:21,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:21,458 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:38:21,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:21,595 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:38:21,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21 WrapperNode [2019-08-09 17:38:21,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:21,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:38:21,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:38:21,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:38:21,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21" (1/1) ... [2019-08-09 17:38:21,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21" (1/1) ... [2019-08-09 17:38:21,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21" (1/1) ... [2019-08-09 17:38:21,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21" (1/1) ... [2019-08-09 17:38:21,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21" (1/1) ... [2019-08-09 17:38:21,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21" (1/1) ... [2019-08-09 17:38:21,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21" (1/1) ... [2019-08-09 17:38:21,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:38:21,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:38:21,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:38:21,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:38:21,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:21" (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 17:38:21,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:38:21,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:38:21,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:38:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:38:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:38:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:38:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:38:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:38:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:38:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:38:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:38:23,110 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:38:23,110 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:38:23,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:23 BoogieIcfgContainer [2019-08-09 17:38:23,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:38:23,112 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:38:23,112 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:38:23,113 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:38:23,114 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:23" (1/1) ... [2019-08-09 17:38:41,040 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:38:41,051 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:38:41,055 INFO L168 Benchmark]: Toolchain (without parser) took 20254.85 ms. Allocated memory was 140.5 MB in the beginning and 1.1 GB in the end (delta: 994.6 MB). Free memory was 86.9 MB in the beginning and 297.3 MB in the end (delta: -210.4 MB). Peak memory consumption was 975.8 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:41,058 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 17:38:41,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.08 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 86.7 MB in the beginning and 167.8 MB in the end (delta: -81.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:41,061 INFO L168 Benchmark]: Boogie Preprocessor took 125.86 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 163.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:41,063 INFO L168 Benchmark]: RCFGBuilder took 1389.21 ms. Allocated memory was 202.4 MB in the beginning and 228.1 MB in the end (delta: 25.7 MB). Free memory was 163.3 MB in the beginning and 181.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:41,064 INFO L168 Benchmark]: Symbolic Interpretation took 17938.81 ms. Allocated memory was 228.1 MB in the beginning and 1.1 GB in the end (delta: 907.0 MB). Free memory was 181.5 MB in the beginning and 297.3 MB in the end (delta: -115.9 MB). Peak memory consumption was 982.8 MB. Max. memory is 7.1 GB. [2019-08-09 17:38:41,072 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 64]: 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 156152#(and (< 38 ~a1~0) (<= ~a1~0 218) (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (= ~a19~0 8)). 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 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 795.08 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 86.7 MB in the beginning and 167.8 MB in the end (delta: -81.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.86 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 163.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1389.21 ms. Allocated memory was 202.4 MB in the beginning and 228.1 MB in the end (delta: 25.7 MB). Free memory was 163.3 MB in the beginning and 181.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 17938.81 ms. Allocated memory was 228.1 MB in the beginning and 1.1 GB in the end (delta: 907.0 MB). Free memory was 181.5 MB in the beginning and 297.3 MB in the end (delta: -115.9 MB). Peak memory consumption was 982.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...