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_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:53:06,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:53:06,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:53:06,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:53:06,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:53:06,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:53:06,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:53:06,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:53:06,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:53:06,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:53:06,364 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:53:06,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:53:06,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:53:06,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:53:06,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:53:06,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:53:06,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:53:06,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:53:06,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:53:06,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:53:06,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:53:06,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:53:06,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:53:06,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:53:06,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:53:06,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:53:06,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:53:06,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:53:06,391 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 16:53:06,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:53:06,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:53:06,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:53:06,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:53:06,408 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:53:06,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:53:06,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:53:06,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:53:06,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:53:06,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:53:06,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:53:06,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:53:06,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:53:06,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:53:06,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:53:06,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:53:06,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:53:06,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:53:06,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:53:06,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:53:06,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:53:06,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:53:06,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:53:06,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:53:06,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:53:06,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:53:06,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:53:06,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:53:06,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:53:06,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:53:06,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:53:06,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:53:06,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:53:06,458 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:53:06,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label41.c [2019-08-09 16:53:06,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd41a5788/2c127f0dee89498daeaeb63827568985/FLAG49d811dca [2019-08-09 16:53:07,183 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:53:07,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label41.c [2019-08-09 16:53:07,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd41a5788/2c127f0dee89498daeaeb63827568985/FLAG49d811dca [2019-08-09 16:53:07,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd41a5788/2c127f0dee89498daeaeb63827568985 [2019-08-09 16:53:07,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:53:07,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:53:07,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:07,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:53:07,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:53:07,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:07" (1/1) ... [2019-08-09 16:53:07,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464dbefc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:07, skipping insertion in model container [2019-08-09 16:53:07,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:07" (1/1) ... [2019-08-09 16:53:07,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:53:07,481 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:53:08,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:08,304 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:53:08,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:08,604 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:53:08,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08 WrapperNode [2019-08-09 16:53:08,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:08,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:53:08,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:53:08,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:53:08,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08" (1/1) ... [2019-08-09 16:53:08,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08" (1/1) ... [2019-08-09 16:53:08,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08" (1/1) ... [2019-08-09 16:53:08,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08" (1/1) ... [2019-08-09 16:53:08,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08" (1/1) ... [2019-08-09 16:53:08,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08" (1/1) ... [2019-08-09 16:53:08,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08" (1/1) ... [2019-08-09 16:53:08,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:53:08,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:53:08,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:53:08,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:53:08,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:08" (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 16:53:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:53:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:53:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:53:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:53:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:53:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:53:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:53:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:53:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:53:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:53:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:53:11,075 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:53:11,076 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:53:11,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:53:11 BoogieIcfgContainer [2019-08-09 16:53:11,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:53:11,079 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:53:11,079 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:53:11,079 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:53:11,081 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:53:11" (1/1) ... [2019-08-09 16:53:15,227 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:53:15,236 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:53:15,239 INFO L168 Benchmark]: Toolchain (without parser) took 7863.46 ms. Allocated memory was 132.6 MB in the beginning and 447.2 MB in the end (delta: 314.6 MB). Free memory was 81.7 MB in the beginning and 262.1 MB in the end (delta: -180.4 MB). Peak memory consumption was 344.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:15,240 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 105.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 16:53:15,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1230.19 ms. Allocated memory was 132.6 MB in the beginning and 222.3 MB in the end (delta: 89.7 MB). Free memory was 81.3 MB in the beginning and 168.5 MB in the end (delta: -87.2 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:15,243 INFO L168 Benchmark]: Boogie Preprocessor took 169.92 ms. Allocated memory is still 222.3 MB. Free memory was 168.5 MB in the beginning and 157.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:15,247 INFO L168 Benchmark]: RCFGBuilder took 2302.41 ms. Allocated memory was 222.3 MB in the beginning and 275.3 MB in the end (delta: 53.0 MB). Free memory was 157.2 MB in the beginning and 238.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 134.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:15,249 INFO L168 Benchmark]: Symbolic Interpretation took 4157.11 ms. Allocated memory was 275.3 MB in the beginning and 447.2 MB in the end (delta: 172.0 MB). Free memory was 238.1 MB in the beginning and 262.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 358.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:15,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1581]: 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 68578#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= ~a12~0 1) (not (= ~a27~0 1)) (not (= 1 ~a6~0)) (= ~a11~0 1) (= ~a26~0 1)). 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 132.6 MB. Free memory is still 105.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1230.19 ms. Allocated memory was 132.6 MB in the beginning and 222.3 MB in the end (delta: 89.7 MB). Free memory was 81.3 MB in the beginning and 168.5 MB in the end (delta: -87.2 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.92 ms. Allocated memory is still 222.3 MB. Free memory was 168.5 MB in the beginning and 157.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2302.41 ms. Allocated memory was 222.3 MB in the beginning and 275.3 MB in the end (delta: 53.0 MB). Free memory was 157.2 MB in the beginning and 238.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 134.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4157.11 ms. Allocated memory was 275.3 MB in the beginning and 447.2 MB in the end (delta: 172.0 MB). Free memory was 238.1 MB in the beginning and 262.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 358.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...