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/Problem03_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:51:58,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:51:58,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:51:58,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:51:58,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:51:58,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:51:58,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:51:58,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:51:58,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:51:58,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:51:58,380 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:51:58,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:51:58,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:51:58,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:51:58,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:51:58,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:51:58,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:51:58,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:51:58,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:51:58,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:51:58,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:51:58,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:51:58,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:51:58,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:51:58,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:51:58,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:51:58,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:51:58,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:51:58,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:51:58,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:51:58,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:51:58,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:51:58,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:51:58,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:51:58,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:51:58,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:51:58,408 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 16:51:58,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:51:58,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:51:58,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:51:58,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:51:58,423 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:51:58,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:51:58,424 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:51:58,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:51:58,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:51:58,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:51:58,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:51:58,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:51:58,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:51:58,425 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:51:58,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:51:58,426 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:51:58,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:51:58,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:51:58,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:51:58,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:51:58,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:51:58,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:51:58,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:51:58,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:51:58,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:51:58,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:51:58,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:51:58,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:51:58,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:51:58,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:51:58,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:51:58,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:51:58,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:51:58,477 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:51:58,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label06.c [2019-08-09 16:51:58,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5555f57f/3af83b6193e74a7c8feef9d4ce0c133f/FLAGd129ceedf [2019-08-09 16:51:59,234 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:51:59,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label06.c [2019-08-09 16:51:59,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5555f57f/3af83b6193e74a7c8feef9d4ce0c133f/FLAGd129ceedf [2019-08-09 16:51:59,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5555f57f/3af83b6193e74a7c8feef9d4ce0c133f [2019-08-09 16:51:59,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:51:59,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:51:59,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:51:59,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:51:59,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:51:59,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:51:59" (1/1) ... [2019-08-09 16:51:59,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9751e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:59, skipping insertion in model container [2019-08-09 16:51:59,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:51:59" (1/1) ... [2019-08-09 16:51:59,459 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:51:59,526 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:52:00,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:00,462 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:52:00,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:00,803 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:52:00,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00 WrapperNode [2019-08-09 16:52:00,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:00,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:52:00,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:52:00,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:52:00,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:00,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:00,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:00,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:00,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:00,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:00,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:01,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:52:01,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:52:01,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:52:01,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:52:01,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00" (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 16:52:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:52:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:52:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:52:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:52:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:52:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:52:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:52:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:52:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:52:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:52:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:52:03,087 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:52:03,087 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:52:03,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:03 BoogieIcfgContainer [2019-08-09 16:52:03,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:52:03,089 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:52:03,090 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:52:03,090 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:52:03,091 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:03" (1/1) ... [2019-08-09 16:52:07,172 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:52:07,181 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:52:07,185 INFO L168 Benchmark]: Toolchain (without parser) took 7741.14 ms. Allocated memory was 137.9 MB in the beginning and 464.5 MB in the end (delta: 326.6 MB). Free memory was 79.8 MB in the beginning and 415.4 MB in the end (delta: -335.6 MB). Peak memory consumption was 350.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:07,187 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:52:07,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.33 ms. Allocated memory was 137.9 MB in the beginning and 220.7 MB in the end (delta: 82.8 MB). Free memory was 79.6 MB in the beginning and 168.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:07,189 INFO L168 Benchmark]: Boogie Preprocessor took 203.96 ms. Allocated memory is still 220.7 MB. Free memory was 168.7 MB in the beginning and 157.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:07,191 INFO L168 Benchmark]: RCFGBuilder took 2079.60 ms. Allocated memory was 220.7 MB in the beginning and 283.1 MB in the end (delta: 62.4 MB). Free memory was 157.4 MB in the beginning and 86.9 MB in the end (delta: 70.5 MB). Peak memory consumption was 132.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:07,193 INFO L168 Benchmark]: Symbolic Interpretation took 4092.04 ms. Allocated memory was 283.1 MB in the beginning and 464.5 MB in the end (delta: 181.4 MB). Free memory was 86.9 MB in the beginning and 415.4 MB in the end (delta: -328.5 MB). Peak memory consumption was 212.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:07,203 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1542]: 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 63409#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a6~0) (not (= ~a27~0 1)) (= 0 ~a3~0) (not (= ~a12~0 1)) (= ~a11~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1361.33 ms. Allocated memory was 137.9 MB in the beginning and 220.7 MB in the end (delta: 82.8 MB). Free memory was 79.6 MB in the beginning and 168.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 203.96 ms. Allocated memory is still 220.7 MB. Free memory was 168.7 MB in the beginning and 157.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2079.60 ms. Allocated memory was 220.7 MB in the beginning and 283.1 MB in the end (delta: 62.4 MB). Free memory was 157.4 MB in the beginning and 86.9 MB in the end (delta: 70.5 MB). Peak memory consumption was 132.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4092.04 ms. Allocated memory was 283.1 MB in the beginning and 464.5 MB in the end (delta: 181.4 MB). Free memory was 86.9 MB in the beginning and 415.4 MB in the end (delta: -328.5 MB). Peak memory consumption was 212.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...