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_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:47:41,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:47:41,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:47:41,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:47:41,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:47:41,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:47:41,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:47:41,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:47:41,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:47:41,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:47:41,659 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:47:41,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:47:41,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:47:41,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:47:41,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:47:41,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:47:41,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:47:41,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:47:41,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:47:41,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:47:41,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:47:41,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:47:41,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:47:41,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:47:41,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:47:41,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:47:41,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:47:41,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:47:41,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:47:41,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:47:41,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:47:41,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:47:41,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:47:41,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:47:41,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:47:41,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:47:41,704 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 11:47:41,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:47:41,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:47:41,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:47:41,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:47:41,733 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:47:41,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:47:41,734 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:47:41,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:47:41,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:47:41,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:47:41,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:47:41,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:47:41,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:47:41,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:47:41,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:47:41,737 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:47:41,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:47:41,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:47:41,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:47:41,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:47:41,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:47:41,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:47:41,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:47:41,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:47:41,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:47:41,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:47:41,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:47:41,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:47:41,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:47:41,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:47:41,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:47:41,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:47:41,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:47:41,814 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:47:41,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2019-08-14 11:47:41,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fcf1ce0/01f7e6049d1a4d239d025ba84f660dda/FLAG5e9a01ad1 [2019-08-14 11:47:42,443 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:47:42,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2019-08-14 11:47:42,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fcf1ce0/01f7e6049d1a4d239d025ba84f660dda/FLAG5e9a01ad1 [2019-08-14 11:47:42,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fcf1ce0/01f7e6049d1a4d239d025ba84f660dda [2019-08-14 11:47:42,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:47:42,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:47:42,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:47:42,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:47:42,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:47:42,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:47:42" (1/1) ... [2019-08-14 11:47:42,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626adbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:42, skipping insertion in model container [2019-08-14 11:47:42,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:47:42" (1/1) ... [2019-08-14 11:47:42,728 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:47:42,795 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:47:43,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:47:43,302 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:47:43,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:47:43,641 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:47:43,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43 WrapperNode [2019-08-14 11:47:43,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:47:43,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:47:43,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:47:43,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:47:43,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43" (1/1) ... [2019-08-14 11:47:43,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43" (1/1) ... [2019-08-14 11:47:43,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43" (1/1) ... [2019-08-14 11:47:43,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43" (1/1) ... [2019-08-14 11:47:43,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43" (1/1) ... [2019-08-14 11:47:43,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43" (1/1) ... [2019-08-14 11:47:43,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43" (1/1) ... [2019-08-14 11:47:43,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:47:43,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:47:43,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:47:43,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:47:43,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:47:43" (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 11:47:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:47:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:47:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:47:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:47:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:47:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:47:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:47:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:47:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:47:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:47:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:47:45,024 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:47:45,025 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:47:45,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:47:45 BoogieIcfgContainer [2019-08-14 11:47:45,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:47:45,028 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:47:45,028 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:47:45,029 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:47:45,030 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:47:45" (1/1) ... [2019-08-14 11:48:04,662 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:48:04,669 INFO L168 Benchmark]: Toolchain (without parser) took 21955.41 ms. Allocated memory was 140.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 86.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:48:04,670 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:48:04,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.54 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 86.6 MB in the beginning and 168.9 MB in the end (delta: -82.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:48:04,673 INFO L168 Benchmark]: Boogie Preprocessor took 133.14 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 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. [2019-08-14 11:48:04,676 INFO L168 Benchmark]: RCFGBuilder took 1250.57 ms. Allocated memory was 202.9 MB in the beginning and 227.5 MB in the end (delta: 24.6 MB). Free memory was 164.1 MB in the beginning and 183.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:48:04,677 INFO L168 Benchmark]: Symbolic Interpretation took 19634.07 ms. Allocated memory was 227.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 182.3 MB in the beginning and 1.2 GB in the end (delta: -980.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:48:04,688 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 202]: 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 160872#(and (<= ~a1~0 38) (= ~a10~0 1) (= 14 ~a4~0) (= ~a19~0 6) (= ~a12~0 0) (< 0 (+ ~a1~0 13))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 933.54 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 86.6 MB in the beginning and 168.9 MB in the end (delta: -82.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.14 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 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 1250.57 ms. Allocated memory was 202.9 MB in the beginning and 227.5 MB in the end (delta: 24.6 MB). Free memory was 164.1 MB in the beginning and 183.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 19634.07 ms. Allocated memory was 227.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 182.3 MB in the beginning and 1.2 GB in the end (delta: -980.8 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...