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/Problem18_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:08:33,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:08:33,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:08:33,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:08:33,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:08:33,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:08:33,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:08:33,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:08:33,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:08:33,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:08:33,066 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:08:33,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:08:33,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:08:33,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:08:33,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:08:33,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:08:33,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:08:33,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:08:33,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:08:33,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:08:33,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:08:33,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:08:33,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:08:33,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:08:33,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 18:08:33,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:08:33,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:08:33,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:08:33,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:08:33,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:08:33,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:08:33,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:08:33,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:08:33,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:08:33,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:08:33,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:08:33,095 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 18:08:33,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:08:33,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:08:33,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:08:33,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:08:33,112 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:08:33,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:08:33,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:08:33,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:08:33,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:08:33,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:08:33,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:08:33,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:08:33,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:08:33,114 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:08:33,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:08:33,114 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:08:33,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:08:33,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:08:33,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:08:33,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:08:33,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:08:33,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:08:33,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:08:33,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:08:33,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:08:33,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:08:33,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:08:33,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:08:33,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:08:33,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:08:33,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:08:33,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:08:33,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:08:33,166 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:08:33,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label49.c [2019-08-14 18:08:33,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a301e77/4ce1c257c4d247e58bd5d6f60cb42fc4/FLAG22d0b862e [2019-08-14 18:08:34,025 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:08:34,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label49.c [2019-08-14 18:08:34,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a301e77/4ce1c257c4d247e58bd5d6f60cb42fc4/FLAG22d0b862e [2019-08-14 18:08:34,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a301e77/4ce1c257c4d247e58bd5d6f60cb42fc4 [2019-08-14 18:08:34,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:08:34,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:08:34,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:08:34,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:08:34,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:08:34,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:08:34" (1/1) ... [2019-08-14 18:08:34,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594d28c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:34, skipping insertion in model container [2019-08-14 18:08:34,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:08:34" (1/1) ... [2019-08-14 18:08:34,596 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:08:34,734 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:08:35,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:08:35,887 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:08:36,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:08:36,432 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:08:36,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36 WrapperNode [2019-08-14 18:08:36,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:08:36,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:08:36,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:08:36,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:08:36,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36" (1/1) ... [2019-08-14 18:08:36,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36" (1/1) ... [2019-08-14 18:08:36,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36" (1/1) ... [2019-08-14 18:08:36,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36" (1/1) ... [2019-08-14 18:08:36,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36" (1/1) ... [2019-08-14 18:08:36,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36" (1/1) ... [2019-08-14 18:08:36,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36" (1/1) ... [2019-08-14 18:08:36,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:08:36,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:08:36,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:08:36,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:08:36,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:36" (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 18:08:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:08:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:08:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:08:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:08:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:08:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:08:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:08:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:08:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:08:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:08:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:08:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:08:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:08:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:08:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:08:40,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:08:40,927 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:08:40,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:08:40 BoogieIcfgContainer [2019-08-14 18:08:40,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:08:40,929 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:08:40,930 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:08:40,930 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:08:40,931 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:08:40" (1/1) ... [2019-08-14 18:09:22,477 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:09:22,480 INFO L168 Benchmark]: Toolchain (without parser) took 47901.70 ms. Allocated memory was 141.6 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 78.8 MB in the beginning and 668.0 MB in the end (delta: -589.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-14 18:09:22,481 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 18:09:22,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1854.22 ms. Allocated memory was 141.6 MB in the beginning and 229.6 MB in the end (delta: 88.1 MB). Free memory was 78.6 MB in the beginning and 111.2 MB in the end (delta: -32.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:22,483 INFO L168 Benchmark]: Boogie Preprocessor took 289.46 ms. Allocated memory is still 229.6 MB. Free memory was 111.2 MB in the beginning and 90.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:22,485 INFO L168 Benchmark]: RCFGBuilder took 4204.76 ms. Allocated memory was 229.6 MB in the beginning and 327.2 MB in the end (delta: 97.5 MB). Free memory was 90.4 MB in the beginning and 75.2 MB in the end (delta: 15.3 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:22,486 INFO L168 Benchmark]: Symbolic Interpretation took 41547.83 ms. Allocated memory was 327.2 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 75.2 MB in the beginning and 668.0 MB in the end (delta: -592.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-14 18:09:22,490 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 75]: 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 979262#(and (= ~a15~0 4) (= ~a24~0 2) (<= ~a3~0 417) (< 306 ~a3~0) (= ~a18~0 8)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1854.22 ms. Allocated memory was 141.6 MB in the beginning and 229.6 MB in the end (delta: 88.1 MB). Free memory was 78.6 MB in the beginning and 111.2 MB in the end (delta: -32.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 289.46 ms. Allocated memory is still 229.6 MB. Free memory was 111.2 MB in the beginning and 90.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4204.76 ms. Allocated memory was 229.6 MB in the beginning and 327.2 MB in the end (delta: 97.5 MB). Free memory was 90.4 MB in the beginning and 75.2 MB in the end (delta: 15.3 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 41547.83 ms. Allocated memory was 327.2 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 75.2 MB in the beginning and 668.0 MB in the end (delta: -592.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...