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/Problem04_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:05:37,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:05:37,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:05:37,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:05:37,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:05:37,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:05:37,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:05:37,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:05:37,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:05:37,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:05:37,260 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:05:37,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:05:37,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:05:37,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:05:37,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:05:37,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:05:37,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:05:37,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:05:37,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:05:37,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:05:37,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:05:37,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:05:37,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:05:37,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:05:37,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 11:05:37,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 11:05:37,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 11:05:37,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 11:05:37,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 11:05:37,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 11:05:37,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:05:37,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:05:37,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:05:37,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:05:37,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:05:37,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:05:37,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:05:37,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:05:37,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:05:37,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:05:37,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:05:37,290 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 [2019-08-14 11:05:37,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:05:37,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:05:37,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:05:37,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:05:37,307 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:05:37,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:05:37,308 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:05:37,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:05:37,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:05:37,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:05:37,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:05:37,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:05:37,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:05:37,309 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:05:37,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:05:37,309 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:05:37,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:05:37,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:05:37,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:05:37,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:05:37,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:05:37,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:05:37,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:05:37,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:05:37,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:05:37,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:05:37,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:05:37,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:05:37,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:05:37,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:05:37,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:05:37,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:05:37,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:05:37,360 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:05:37,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label30.c [2019-08-14 11:05:37,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96157c1d9/be0e980d871e4c2ba0aa2798bd0e05de/FLAG81f989c9f [2019-08-14 11:05:38,224 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:05:38,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label30.c [2019-08-14 11:05:38,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96157c1d9/be0e980d871e4c2ba0aa2798bd0e05de/FLAG81f989c9f [2019-08-14 11:05:38,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96157c1d9/be0e980d871e4c2ba0aa2798bd0e05de [2019-08-14 11:05:38,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:05:38,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:05:38,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:05:38,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:05:38,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:05:38,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:05:38" (1/1) ... [2019-08-14 11:05:38,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a892bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:38, skipping insertion in model container [2019-08-14 11:05:38,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:05:38" (1/1) ... [2019-08-14 11:05:38,358 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:05:38,519 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:05:39,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:05:39,918 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:05:40,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:05:40,716 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:05:40,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40 WrapperNode [2019-08-14 11:05:40,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:05:40,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:05:40,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:05:40,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:05:40,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40" (1/1) ... [2019-08-14 11:05:40,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40" (1/1) ... [2019-08-14 11:05:40,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40" (1/1) ... [2019-08-14 11:05:40,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40" (1/1) ... [2019-08-14 11:05:40,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40" (1/1) ... [2019-08-14 11:05:40,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40" (1/1) ... [2019-08-14 11:05:40,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40" (1/1) ... [2019-08-14 11:05:40,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:05:40,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:05:40,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:05:40,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:05:40,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:40" (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 [2019-08-14 11:05:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:05:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:05:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:05:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:05:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:05:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:05:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:05:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:05:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:05:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:05:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:05:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:05:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:05:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:05:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:05:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:05:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:05:45,773 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:05:45,774 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:05:45,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:05:45 BoogieIcfgContainer [2019-08-14 11:05:45,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:05:45,780 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:05:45,784 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:05:45,784 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:05:45,785 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:05:45" (1/1) ... [2019-08-14 11:05:49,889 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:05:49,892 INFO L168 Benchmark]: Toolchain (without parser) took 11553.84 ms. Allocated memory was 136.3 MB in the beginning and 541.6 MB in the end (delta: 405.3 MB). Free memory was 71.5 MB in the beginning and 245.4 MB in the end (delta: -173.9 MB). Peak memory consumption was 364.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:05:49,894 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:05:49,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2376.06 ms. Allocated memory was 136.3 MB in the beginning and 281.5 MB in the end (delta: 145.2 MB). Free memory was 71.3 MB in the beginning and 211.2 MB in the end (delta: -139.9 MB). Peak memory consumption was 114.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:05:49,895 INFO L168 Benchmark]: Boogie Preprocessor took 245.19 ms. Allocated memory is still 281.5 MB. Free memory was 211.2 MB in the beginning and 181.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:05:49,897 INFO L168 Benchmark]: RCFGBuilder took 4816.05 ms. Allocated memory was 281.5 MB in the beginning and 379.1 MB in the end (delta: 97.5 MB). Free memory was 181.7 MB in the beginning and 87.4 MB in the end (delta: 94.3 MB). Peak memory consumption was 216.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:05:49,898 INFO L168 Benchmark]: Symbolic Interpretation took 4109.49 ms. Allocated memory was 379.1 MB in the beginning and 541.6 MB in the end (delta: 162.5 MB). Free memory was 87.4 MB in the beginning and 245.4 MB in the end (delta: -158.0 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:05:49,902 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4700]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 66038#(and (= 1 ~a7~0) (= 1 ~a1~0) (= ~a28~0 16) (= 1 ~a3~0) (= ~a26~0 18) (= ~a14~0 20) (= ~a25~0 1) (= 16 ~a4~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2376.06 ms. Allocated memory was 136.3 MB in the beginning and 281.5 MB in the end (delta: 145.2 MB). Free memory was 71.3 MB in the beginning and 211.2 MB in the end (delta: -139.9 MB). Peak memory consumption was 114.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 245.19 ms. Allocated memory is still 281.5 MB. Free memory was 211.2 MB in the beginning and 181.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4816.05 ms. Allocated memory was 281.5 MB in the beginning and 379.1 MB in the end (delta: 97.5 MB). Free memory was 181.7 MB in the beginning and 87.4 MB in the end (delta: 94.3 MB). Peak memory consumption was 216.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4109.49 ms. Allocated memory was 379.1 MB in the beginning and 541.6 MB in the end (delta: 162.5 MB). Free memory was 87.4 MB in the beginning and 245.4 MB in the end (delta: -158.0 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...