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/Problem18_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:56:24,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:56:24,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:56:24,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:56:24,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:56:24,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:56:24,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:56:24,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:56:24,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:56:24,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:56:24,571 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:56:24,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:56:24,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:56:24,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:56:24,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:56:24,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:56:24,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:56:24,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:56:24,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:56:24,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:56:24,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:56:24,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:56:24,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:56:24,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:56:24,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:56:24,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:56:24,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:56:24,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:56:24,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:56:24,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:56:24,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:56:24,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:56:24,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:56:24,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:56:24,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:56:24,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:56:24,600 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 23:56:24,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:56:24,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:56:24,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:56:24,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:56:24,617 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:56:24,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:56:24,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:56:24,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:56:24,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:56:24,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:56:24,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:56:24,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:56:24,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:56:24,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:56:24,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:56:24,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:56:24,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:56:24,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:56:24,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:56:24,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:56:24,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:56:24,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:56:24,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:56:24,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:56:24,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:56:24,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:56:24,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:56:24,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:56:24,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:56:24,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:56:24,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:56:24,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:56:24,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:56:24,669 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:56:24,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label41.c [2019-08-09 23:56:24,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83390749/8e0f597cbd27483f8bb2863272c3d901/FLAGb677e8151 [2019-08-09 23:56:25,507 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:56:25,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label41.c [2019-08-09 23:56:25,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83390749/8e0f597cbd27483f8bb2863272c3d901/FLAGb677e8151 [2019-08-09 23:56:25,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83390749/8e0f597cbd27483f8bb2863272c3d901 [2019-08-09 23:56:25,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:56:25,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:56:25,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:56:25,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:56:25,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:56:25,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:56:25" (1/1) ... [2019-08-09 23:56:25,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ee2162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:25, skipping insertion in model container [2019-08-09 23:56:25,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:56:25" (1/1) ... [2019-08-09 23:56:25,644 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:56:25,783 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:56:26,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:56:26,993 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:56:27,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:56:27,483 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:56:27,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27 WrapperNode [2019-08-09 23:56:27,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:56:27,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:56:27,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:56:27,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:56:27,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27" (1/1) ... [2019-08-09 23:56:27,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27" (1/1) ... [2019-08-09 23:56:27,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27" (1/1) ... [2019-08-09 23:56:27,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27" (1/1) ... [2019-08-09 23:56:27,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27" (1/1) ... [2019-08-09 23:56:27,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27" (1/1) ... [2019-08-09 23:56:27,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27" (1/1) ... [2019-08-09 23:56:27,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:56:27,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:56:27,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:56:27,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:56:27,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:27" (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 23:56:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:56:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:56:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:56:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:56:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:56:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:56:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:56:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:56:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:56:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:56:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:56:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:56:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:56:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:56:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:56:31,800 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:56:31,800 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:56:31,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:56:31 BoogieIcfgContainer [2019-08-09 23:56:31,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:56:31,803 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:56:31,804 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:56:31,804 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:56:31,805 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:56:31" (1/1) ... [2019-08-09 23:57:10,487 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:57:10,496 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:57:10,499 INFO L168 Benchmark]: Toolchain (without parser) took 44871.51 ms. Allocated memory was 133.2 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 78.0 MB in the beginning and 1.0 GB in the end (delta: -944.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-09 23:57:10,501 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 23:57:10,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1858.79 ms. Allocated memory was 133.2 MB in the beginning and 226.0 MB in the end (delta: 92.8 MB). Free memory was 77.8 MB in the beginning and 108.1 MB in the end (delta: -30.3 MB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:10,503 INFO L168 Benchmark]: Boogie Preprocessor took 257.02 ms. Allocated memory is still 226.0 MB. Free memory was 108.1 MB in the beginning and 87.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:10,507 INFO L168 Benchmark]: RCFGBuilder took 4059.30 ms. Allocated memory was 226.0 MB in the beginning and 352.8 MB in the end (delta: 126.9 MB). Free memory was 87.7 MB in the beginning and 125.8 MB in the end (delta: -38.1 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:10,508 INFO L168 Benchmark]: Symbolic Interpretation took 38692.54 ms. Allocated memory was 352.8 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 125.8 MB in the beginning and 1.0 GB in the end (delta: -896.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-09 23:57:10,519 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 204]: 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 982078#(and (= ~a15~0 4) (= ~a18~0 10) (= ~a24~0 2) (<= ~a3~0 115)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1858.79 ms. Allocated memory was 133.2 MB in the beginning and 226.0 MB in the end (delta: 92.8 MB). Free memory was 77.8 MB in the beginning and 108.1 MB in the end (delta: -30.3 MB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 257.02 ms. Allocated memory is still 226.0 MB. Free memory was 108.1 MB in the beginning and 87.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4059.30 ms. Allocated memory was 226.0 MB in the beginning and 352.8 MB in the end (delta: 126.9 MB). Free memory was 87.7 MB in the beginning and 125.8 MB in the end (delta: -38.1 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 38692.54 ms. Allocated memory was 352.8 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 125.8 MB in the beginning and 1.0 GB in the end (delta: -896.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...