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/Problem15_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:58:30,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:58:30,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:58:30,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:58:30,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:58:30,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:58:30,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:58:30,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:58:30,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:58:30,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:58:30,500 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:58:30,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:58:30,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:58:30,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:58:30,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:58:30,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:58:30,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:58:30,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:58:30,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:58:30,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:58:30,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:58:30,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:58:30,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:58:30,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:58:30,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:58:30,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:58:30,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:58:30,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:58:30,527 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 10:58:30,542 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:58:30,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:58:30,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:58:30,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:58:30,544 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:58:30,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:58:30,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:58:30,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:58:30,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:58:30,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:58:30,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:58:30,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:58:30,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:58:30,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:58:30,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:58:30,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:58:30,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:58:30,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:58:30,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:58:30,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:58:30,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:58:30,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:58:30,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:58:30,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:58:30,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:58:30,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:58:30,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:58:30,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:58:30,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:58:30,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:58:30,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:58:30,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:58:30,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:58:30,593 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:58:30,594 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label39.c [2019-08-08 10:58:30,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8ecabbb/84c7680cf2484bbbab68525ca128bdd1/FLAG9bc54de94 [2019-08-08 10:58:31,306 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:58:31,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label39.c [2019-08-08 10:58:31,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8ecabbb/84c7680cf2484bbbab68525ca128bdd1/FLAG9bc54de94 [2019-08-08 10:58:31,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8ecabbb/84c7680cf2484bbbab68525ca128bdd1 [2019-08-08 10:58:31,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:58:31,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:58:31,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:58:31,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:58:31,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:58:31,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:58:31" (1/1) ... [2019-08-08 10:58:31,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d63171a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:31, skipping insertion in model container [2019-08-08 10:58:31,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:58:31" (1/1) ... [2019-08-08 10:58:31,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:58:31,618 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:58:32,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:58:32,569 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:58:32,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:58:32,850 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:58:32,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32 WrapperNode [2019-08-08 10:58:32,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:58:32,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:58:32,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:58:32,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:58:32,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32" (1/1) ... [2019-08-08 10:58:32,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32" (1/1) ... [2019-08-08 10:58:32,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32" (1/1) ... [2019-08-08 10:58:32,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32" (1/1) ... [2019-08-08 10:58:33,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32" (1/1) ... [2019-08-08 10:58:33,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32" (1/1) ... [2019-08-08 10:58:33,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32" (1/1) ... [2019-08-08 10:58:33,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:58:33,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:58:33,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:58:33,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:58:33,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:58:32" (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 10:58:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:58:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:58:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:58:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 10:58:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:58:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:58:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 10:58:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:58:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:58:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:58:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:58:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:58:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:58:39,033 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:58:39,033 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:58:39,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:58:39 BoogieIcfgContainer [2019-08-08 10:58:39,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:58:39,036 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:58:39,036 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:58:39,037 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:58:39,038 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:58:39" (1/1) ... [2019-08-08 10:58:39,051 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:58:39,054 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:58:39,066 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:58:39,075 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:58:39,076 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:58:39,130 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 42 [2019-08-08 10:58:49,908 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 10:58:49,926 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:58:49,926 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:58:49,929 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 358282#(and (<= (+ ~a4~0 86) 0) (= 1 ~a2~0) (<= (+ ~a29~0 144) 0) (<= (+ ~a0~0 61) 0) (< 0 (+ ~a0~0 98))) [2019-08-08 10:58:49,930 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:58:49,937 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:58:49,940 INFO L168 Benchmark]: Toolchain (without parser) took 18414.56 ms. Allocated memory was 132.1 MB in the beginning and 1.1 GB in the end (delta: 956.3 MB). Free memory was 83.3 MB in the beginning and 354.7 MB in the end (delta: -271.4 MB). Peak memory consumption was 986.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:58:49,942 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 107.5 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:58:49,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1325.66 ms. Allocated memory was 132.1 MB in the beginning and 220.7 MB in the end (delta: 88.6 MB). Free memory was 83.1 MB in the beginning and 149.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:58:49,944 INFO L168 Benchmark]: Boogie Preprocessor took 229.53 ms. Allocated memory is still 220.7 MB. Free memory was 149.5 MB in the beginning and 136.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:58:49,945 INFO L168 Benchmark]: RCFGBuilder took 5954.05 ms. Allocated memory was 220.7 MB in the beginning and 278.9 MB in the end (delta: 58.2 MB). Free memory was 136.8 MB in the beginning and 192.9 MB in the end (delta: -56.0 MB). Peak memory consumption was 121.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:58:49,946 INFO L168 Benchmark]: Symbolic Interpretation took 10901.34 ms. Allocated memory was 278.9 MB in the beginning and 1.1 GB in the end (delta: 809.5 MB). Free memory was 192.9 MB in the beginning and 354.7 MB in the end (delta: -161.8 MB). Peak memory consumption was 949.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:58:49,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 40]: 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 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 107.5 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1325.66 ms. Allocated memory was 132.1 MB in the beginning and 220.7 MB in the end (delta: 88.6 MB). Free memory was 83.1 MB in the beginning and 149.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 229.53 ms. Allocated memory is still 220.7 MB. Free memory was 149.5 MB in the beginning and 136.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5954.05 ms. Allocated memory was 220.7 MB in the beginning and 278.9 MB in the end (delta: 58.2 MB). Free memory was 136.8 MB in the beginning and 192.9 MB in the end (delta: -56.0 MB). Peak memory consumption was 121.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 10901.34 ms. Allocated memory was 278.9 MB in the beginning and 1.1 GB in the end (delta: 809.5 MB). Free memory was 192.9 MB in the beginning and 354.7 MB in the end (delta: -161.8 MB). Peak memory consumption was 949.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...