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/Problem10_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:49:45,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:49:45,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:49:45,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:49:45,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:49:45,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:49:45,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:49:45,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:49:45,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:49:45,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:49:45,968 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:49:45,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:49:45,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:49:45,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:49:45,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:49:45,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:49:45,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:49:45,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:49:45,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:49:45,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:49:45,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:49:45,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:49:45,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:49:45,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:49:45,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:49:45,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:49:45,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:49:45,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:49:45,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:49:45,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:49:45,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:49:45,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:49:45,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:49:45,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:49:45,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:49:45,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:49:45,997 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 11:49:46,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:49:46,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:49:46,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:49:46,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:49:46,014 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:49:46,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:49:46,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:49:46,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:49:46,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:49:46,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:49:46,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:49:46,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:49:46,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:49:46,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:49:46,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:49:46,016 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:49:46,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:49:46,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:49:46,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:49:46,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:49:46,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:49:46,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:49:46,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:49:46,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:49:46,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:49:46,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:49:46,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:49:46,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:49:46,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:49:46,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:49:46,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:49:46,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:49:46,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:49:46,074 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:49:46,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label33.c [2019-08-14 11:49:46,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a05e243e/bab615b7922b40758c79933f6a721b85/FLAGeebb8e8c2 [2019-08-14 11:49:46,724 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:49:46,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label33.c [2019-08-14 11:49:46,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a05e243e/bab615b7922b40758c79933f6a721b85/FLAGeebb8e8c2 [2019-08-14 11:49:46,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a05e243e/bab615b7922b40758c79933f6a721b85 [2019-08-14 11:49:46,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:49:46,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:49:46,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:49:46,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:49:46,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:49:46,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:49:46" (1/1) ... [2019-08-14 11:49:46,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eac6da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:46, skipping insertion in model container [2019-08-14 11:49:46,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:49:46" (1/1) ... [2019-08-14 11:49:46,982 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:49:47,053 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:49:47,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:49:47,549 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:49:47,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:49:47,821 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:49:47,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47 WrapperNode [2019-08-14 11:49:47,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:49:47,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:49:47,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:49:47,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:49:47,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47" (1/1) ... [2019-08-14 11:49:47,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47" (1/1) ... [2019-08-14 11:49:47,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47" (1/1) ... [2019-08-14 11:49:47,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47" (1/1) ... [2019-08-14 11:49:47,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47" (1/1) ... [2019-08-14 11:49:47,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47" (1/1) ... [2019-08-14 11:49:47,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47" (1/1) ... [2019-08-14 11:49:47,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:49:47,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:49:47,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:49:47,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:49:47,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:47" (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 11:49:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:49:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:49:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:49:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:49:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:49:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:49:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:49:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:49:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:49:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:49:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:49:49,323 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:49:49,323 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:49:49,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:49:49 BoogieIcfgContainer [2019-08-14 11:49:49,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:49:49,326 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:49:49,326 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:49:49,326 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:49:49,327 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:49:49" (1/1) ... [2019-08-14 11:50:11,385 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:50:11,388 INFO L168 Benchmark]: Toolchain (without parser) took 24425.26 ms. Allocated memory was 137.4 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 83.6 MB in the beginning and 127.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:50:11,390 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:50:11,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.12 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 83.3 MB in the beginning and 167.3 MB in the end (delta: -84.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:11,392 INFO L168 Benchmark]: Boogie Preprocessor took 115.63 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 162.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:11,393 INFO L168 Benchmark]: RCFGBuilder took 1385.79 ms. Allocated memory was 201.3 MB in the beginning and 221.2 MB in the end (delta: 19.9 MB). Free memory was 162.5 MB in the beginning and 181.4 MB in the end (delta: -18.9 MB). Peak memory consumption was 96.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:11,394 INFO L168 Benchmark]: Symbolic Interpretation took 22060.13 ms. Allocated memory was 221.2 MB in the beginning and 1.2 GB in the end (delta: 989.3 MB). Free memory was 181.4 MB in the beginning and 127.8 MB in the end (delta: 53.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:50:11,399 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 136]: 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 157575#(and (= ~a10~0 3) (< 38 ~a1~0) (<= ~a1~0 218) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 7)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 858.12 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 83.3 MB in the beginning and 167.3 MB in the end (delta: -84.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.63 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 162.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1385.79 ms. Allocated memory was 201.3 MB in the beginning and 221.2 MB in the end (delta: 19.9 MB). Free memory was 162.5 MB in the beginning and 181.4 MB in the end (delta: -18.9 MB). Peak memory consumption was 96.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 22060.13 ms. Allocated memory was 221.2 MB in the beginning and 1.2 GB in the end (delta: 989.3 MB). Free memory was 181.4 MB in the beginning and 127.8 MB in the end (delta: 53.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...