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/Problem04_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:54:41,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:54:41,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:54:41,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:54:41,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:54:41,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:54:41,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:54:41,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:54:41,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:54:41,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:54:41,704 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:54:41,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:54:41,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:54:41,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:54:41,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:54:41,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:54:41,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:54:41,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:54:41,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:54:41,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:54:41,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:54:41,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:54:41,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:54:41,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:54:41,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:54:41,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:54:41,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:54:41,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:54:41,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:54:41,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:54:41,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:54:41,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:54:41,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:54:41,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:54:41,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:54:41,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:54:41,737 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 16:54:41,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:54:41,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:54:41,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:54:41,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:54:41,765 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:54:41,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:54:41,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:54:41,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:54:41,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:54:41,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:54:41,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:54:41,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:54:41,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:54:41,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:54:41,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:54:41,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:54:41,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:54:41,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:54:41,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:54:41,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:54:41,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:54:41,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:54:41,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:54:41,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:54:41,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:54:41,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:54:41,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:54:41,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:54:41,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:54:41,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:54:41,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:54:41,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:54:41,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:54:41,819 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:54:41,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label42.c [2019-08-09 16:54:41,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2df1431b/a7f234ed22854babb0c680ea62fff11e/FLAG84c804918 [2019-08-09 16:54:42,660 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:54:42,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label42.c [2019-08-09 16:54:42,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2df1431b/a7f234ed22854babb0c680ea62fff11e/FLAG84c804918 [2019-08-09 16:54:42,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2df1431b/a7f234ed22854babb0c680ea62fff11e [2019-08-09 16:54:42,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:54:42,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:54:42,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:42,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:54:42,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:54:42,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:42" (1/1) ... [2019-08-09 16:54:42,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167bb256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:42, skipping insertion in model container [2019-08-09 16:54:42,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:42" (1/1) ... [2019-08-09 16:54:42,777 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:54:42,948 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:54:44,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:44,667 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:54:45,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:45,315 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:54:45,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45 WrapperNode [2019-08-09 16:54:45,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:45,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:54:45,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:54:45,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:54:45,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45" (1/1) ... [2019-08-09 16:54:45,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45" (1/1) ... [2019-08-09 16:54:45,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45" (1/1) ... [2019-08-09 16:54:45,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45" (1/1) ... [2019-08-09 16:54:45,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45" (1/1) ... [2019-08-09 16:54:45,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45" (1/1) ... [2019-08-09 16:54:45,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45" (1/1) ... [2019-08-09 16:54:45,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:54:45,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:54:45,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:54:45,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:54:45,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:45" (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 16:54:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:54:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:54:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:54:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:54:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:54:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:54:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:54:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:54:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:54:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:54:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:54:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:54:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:54:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:54:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:54:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:54:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:54:50,369 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:54:50,369 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:54:50,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:50 BoogieIcfgContainer [2019-08-09 16:54:50,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:54:50,373 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:54:50,373 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:54:50,373 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:54:50,374 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:50" (1/1) ... [2019-08-09 16:54:55,421 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:54:55,432 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:54:55,436 INFO L168 Benchmark]: Toolchain (without parser) took 12676.98 ms. Allocated memory was 132.6 MB in the beginning and 686.8 MB in the end (delta: 554.2 MB). Free memory was 72.1 MB in the beginning and 136.8 MB in the end (delta: -64.7 MB). Peak memory consumption was 520.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:55,437 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 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 16:54:55,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2557.50 ms. Allocated memory was 132.6 MB in the beginning and 293.1 MB in the end (delta: 160.4 MB). Free memory was 71.9 MB in the beginning and 173.1 MB in the end (delta: -101.3 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:55,439 INFO L168 Benchmark]: Boogie Preprocessor took 289.16 ms. Allocated memory is still 293.1 MB. Free memory was 173.1 MB in the beginning and 144.7 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:55,440 INFO L168 Benchmark]: RCFGBuilder took 4763.24 ms. Allocated memory was 293.1 MB in the beginning and 427.3 MB in the end (delta: 134.2 MB). Free memory was 144.7 MB in the beginning and 133.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:55,442 INFO L168 Benchmark]: Symbolic Interpretation took 5059.58 ms. Allocated memory was 427.3 MB in the beginning and 686.8 MB in the end (delta: 259.5 MB). Free memory was 133.6 MB in the beginning and 136.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 287.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:55,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4799]: 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 69633#(and (= 1 ~a1~0) (= 1 ~a7~0) (= ~a14~0 19) (= 1 ~a3~0) (= ~a26~0 18) (= ~a28~0 17) (= ~a25~0 1) (= 16 ~a4~0)). 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 132.6 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 2557.50 ms. Allocated memory was 132.6 MB in the beginning and 293.1 MB in the end (delta: 160.4 MB). Free memory was 71.9 MB in the beginning and 173.1 MB in the end (delta: -101.3 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 289.16 ms. Allocated memory is still 293.1 MB. Free memory was 173.1 MB in the beginning and 144.7 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4763.24 ms. Allocated memory was 293.1 MB in the beginning and 427.3 MB in the end (delta: 134.2 MB). Free memory was 144.7 MB in the beginning and 133.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5059.58 ms. Allocated memory was 427.3 MB in the beginning and 686.8 MB in the end (delta: 259.5 MB). Free memory was 133.6 MB in the beginning and 136.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 287.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...