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_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:02:50,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:02:50,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:02:50,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:02:50,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:02:50,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:02:50,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:02:50,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:02:50,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:02:50,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:02:50,720 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:02:50,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:02:50,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:02:50,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:02:50,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:02:50,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:02:50,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:02:50,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:02:50,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:02:50,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:02:50,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:02:50,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:02:50,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:02:50,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:02:50,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:02:50,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:02:50,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:02:50,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:02:50,747 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 11:02:50,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:02:50,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:02:50,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:02:50,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:02:50,764 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:02:50,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:02:50,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:02:50,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:02:50,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:02:50,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:02:50,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:02:50,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:02:50,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:02:50,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:02:50,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:02:50,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:02:50,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:02:50,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:02:50,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:02:50,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:02:50,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:02:50,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:02:50,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:02:50,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:02:50,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:02:50,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:02:50,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:02:50,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:02:50,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:02:50,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:02:50,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:02:50,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:02:50,813 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:02:50,813 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:02:50,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2019-08-14 11:02:50,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d569f2f/323674f8285b4c54904676308f8aba17/FLAG98ac5c868 [2019-08-14 11:02:51,419 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:02:51,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2019-08-14 11:02:51,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d569f2f/323674f8285b4c54904676308f8aba17/FLAG98ac5c868 [2019-08-14 11:02:51,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d569f2f/323674f8285b4c54904676308f8aba17 [2019-08-14 11:02:51,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:02:51,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:02:51,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:51,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:02:51,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:02:51,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:51" (1/1) ... [2019-08-14 11:02:51,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74156f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:51, skipping insertion in model container [2019-08-14 11:02:51,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:51" (1/1) ... [2019-08-14 11:02:51,735 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:02:51,787 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:02:52,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:52,301 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:02:52,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:52,466 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:02:52,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52 WrapperNode [2019-08-14 11:02:52,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:52,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:02:52,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:02:52,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:02:52,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52" (1/1) ... [2019-08-14 11:02:52,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52" (1/1) ... [2019-08-14 11:02:52,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52" (1/1) ... [2019-08-14 11:02:52,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52" (1/1) ... [2019-08-14 11:02:52,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52" (1/1) ... [2019-08-14 11:02:52,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52" (1/1) ... [2019-08-14 11:02:52,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52" (1/1) ... [2019-08-14 11:02:52,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:02:52,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:02:52,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:02:52,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:02:52,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:52" (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 11:02:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:02:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:02:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:02:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:02:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:02:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:02:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:02:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:02:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:02:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:02:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:02:53,780 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:02:53,780 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:02:53,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:53 BoogieIcfgContainer [2019-08-14 11:02:53,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:02:53,782 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:02:53,782 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:02:53,783 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:02:53,783 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:53" (1/1) ... [2019-08-14 11:02:54,665 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:02:54,668 INFO L168 Benchmark]: Toolchain (without parser) took 2950.75 ms. Allocated memory was 141.0 MB in the beginning and 263.7 MB in the end (delta: 122.7 MB). Free memory was 86.6 MB in the beginning and 156.8 MB in the end (delta: -70.2 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:54,670 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:02:54,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.98 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 86.4 MB in the beginning and 170.0 MB in the end (delta: -83.6 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:54,672 INFO L168 Benchmark]: Boogie Preprocessor took 117.16 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 164.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:54,675 INFO L168 Benchmark]: RCFGBuilder took 1196.37 ms. Allocated memory was 203.4 MB in the beginning and 230.2 MB in the end (delta: 26.7 MB). Free memory was 164.9 MB in the beginning and 183.9 MB in the end (delta: -19.0 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:54,676 INFO L168 Benchmark]: Symbolic Interpretation took 883.36 ms. Allocated memory was 230.2 MB in the beginning and 263.7 MB in the end (delta: 33.6 MB). Free memory was 183.9 MB in the beginning and 156.8 MB in the end (delta: 27.1 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:54,686 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 481]: 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 12502#(and (= ~a28~0 11) (not (= ~a19~0 1)) (not (= ~a25~0 1)) (= ~a17~0 8) (= ~a21~0 1) (= ~a11~0 1)). 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 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.98 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 86.4 MB in the beginning and 170.0 MB in the end (delta: -83.6 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.16 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 164.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1196.37 ms. Allocated memory was 203.4 MB in the beginning and 230.2 MB in the end (delta: 26.7 MB). Free memory was 164.9 MB in the beginning and 183.9 MB in the end (delta: -19.0 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 883.36 ms. Allocated memory was 230.2 MB in the beginning and 263.7 MB in the end (delta: 33.6 MB). Free memory was 183.9 MB in the beginning and 156.8 MB in the end (delta: 27.1 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...