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/Problem14_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:57:07,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:57:07,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:57:07,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:57:07,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:57:07,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:57:07,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:57:07,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:57:07,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:57:07,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:57:07,525 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:57:07,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:57:07,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:57:07,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:57:07,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:57:07,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:57:07,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:57:07,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:57:07,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:57:07,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:57:07,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:57:07,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:57:07,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:57:07,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:57:07,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:57:07,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:57:07,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:57:07,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:57:07,569 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 [2019-08-08 10:57:07,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:57:07,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:57:07,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:57:07,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:57:07,607 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:57:07,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:57:07,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:57:07,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:57:07,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:57:07,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:57:07,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:57:07,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:57:07,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:57:07,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:57:07,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:57:07,609 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:57:07,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:57:07,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:57:07,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:57:07,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:57:07,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:57:07,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:57:07,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:57:07,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:57:07,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:57:07,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:57:07,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:57:07,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:57:07,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:57:07,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:57:07,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:57:07,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:57:07,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:57:07,656 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:57:07,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50.c [2019-08-08 10:57:07,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9d896e5/44182f05902846ac90e8fb5522f45a62/FLAG420ab17e1 [2019-08-08 10:57:08,276 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:57:08,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label50.c [2019-08-08 10:57:08,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9d896e5/44182f05902846ac90e8fb5522f45a62/FLAG420ab17e1 [2019-08-08 10:57:08,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9d896e5/44182f05902846ac90e8fb5522f45a62 [2019-08-08 10:57:08,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:57:08,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:57:08,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:57:08,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:57:08,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:57:08,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:57:08" (1/1) ... [2019-08-08 10:57:08,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd48c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:08, skipping insertion in model container [2019-08-08 10:57:08,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:57:08" (1/1) ... [2019-08-08 10:57:08,582 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:57:08,643 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:57:09,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:57:09,262 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:57:09,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:57:09,466 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:57:09,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09 WrapperNode [2019-08-08 10:57:09,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:57:09,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:57:09,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:57:09,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:57:09,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09" (1/1) ... [2019-08-08 10:57:09,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09" (1/1) ... [2019-08-08 10:57:09,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09" (1/1) ... [2019-08-08 10:57:09,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09" (1/1) ... [2019-08-08 10:57:09,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09" (1/1) ... [2019-08-08 10:57:09,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09" (1/1) ... [2019-08-08 10:57:09,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09" (1/1) ... [2019-08-08 10:57:09,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:57:09,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:57:09,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:57:09,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:57:09,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:57:09" (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 [2019-08-08 10:57:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:57:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:57:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:57:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:57:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:57:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:57:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:57:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:57:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:57:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:57:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:57:13,567 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:57:13,570 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:57:13,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:57:13 BoogieIcfgContainer [2019-08-08 10:57:13,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:57:13,575 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:57:13,575 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:57:13,575 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:57:13,577 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:57:13" (1/1) ... [2019-08-08 10:57:13,589 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:57:13,592 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:57:13,601 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:57:13,609 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:57:13,611 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:57:13,667 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 40 [2019-08-08 10:57:27,009 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 81 [2019-08-08 10:57:27,100 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:57:27,102 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:57:27,104 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 409468#(and (<= ~a12~0 80) (= ~a15~0 7) (< 11 ~a12~0) (= ~a24~0 1) (= ~a21~0 7)) [2019-08-08 10:57:27,105 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:57:27,113 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:57:27,116 INFO L168 Benchmark]: Toolchain (without parser) took 18549.22 ms. Allocated memory was 133.2 MB in the beginning and 1.0 GB in the end (delta: 913.3 MB). Free memory was 87.7 MB in the beginning and 99.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 950.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:57:27,117 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 10:57:27,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.11 ms. Allocated memory was 133.2 MB in the beginning and 202.9 MB in the end (delta: 69.7 MB). Free memory was 87.7 MB in the beginning and 164.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:57:27,119 INFO L168 Benchmark]: Boogie Preprocessor took 123.22 ms. Allocated memory is still 202.9 MB. Free memory was 164.2 MB in the beginning and 158.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:57:27,120 INFO L168 Benchmark]: RCFGBuilder took 3982.91 ms. Allocated memory was 202.9 MB in the beginning and 228.1 MB in the end (delta: 25.2 MB). Free memory was 158.2 MB in the beginning and 156.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:57:27,121 INFO L168 Benchmark]: Symbolic Interpretation took 13538.23 ms. Allocated memory was 228.1 MB in the beginning and 1.0 GB in the end (delta: 818.4 MB). Free memory was 156.6 MB in the beginning and 99.8 MB in the end (delta: 56.8 MB). Peak memory consumption was 924.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:57:27,125 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 115]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 901.11 ms. Allocated memory was 133.2 MB in the beginning and 202.9 MB in the end (delta: 69.7 MB). Free memory was 87.7 MB in the beginning and 164.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.22 ms. Allocated memory is still 202.9 MB. Free memory was 164.2 MB in the beginning and 158.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3982.91 ms. Allocated memory was 202.9 MB in the beginning and 228.1 MB in the end (delta: 25.2 MB). Free memory was 158.2 MB in the beginning and 156.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 13538.23 ms. Allocated memory was 228.1 MB in the beginning and 1.0 GB in the end (delta: 818.4 MB). Free memory was 156.6 MB in the beginning and 99.8 MB in the end (delta: 56.8 MB). Peak memory consumption was 924.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...