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/Problem06_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:09:00,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:09:00,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:09:00,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:09:00,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:09:00,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:09:00,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:09:00,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:09:00,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:09:00,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:09:00,037 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:09:00,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:09:00,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:09:00,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:09:00,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:09:00,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:09:00,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:09:00,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:09:00,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:09:00,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:09:00,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:09:00,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:09:00,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:09:00,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:09:00,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:09:00,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:09:00,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:09:00,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:09:00,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:09:00,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:09:00,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:09:00,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:09:00,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:09:00,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:09:00,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:09:00,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:09:00,063 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 11:09:00,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:09:00,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:09:00,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:09:00,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:09:00,080 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:09:00,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:09:00,080 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:09:00,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:09:00,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:09:00,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:09:00,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:09:00,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:09:00,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:09:00,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:09:00,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:09:00,082 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:09:00,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:09:00,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:09:00,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:09:00,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:09:00,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:09:00,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:09:00,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:09:00,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:09:00,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:09:00,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:09:00,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:09:00,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:09:00,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:09:00,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:09:00,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:09:00,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:09:00,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:09:00,130 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:09:00,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label17.c [2019-08-14 11:09:00,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38066f4ff/e4d3fc7f2a2a430c88393951a8f387b2/FLAG137cb72fe [2019-08-14 11:09:01,035 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:09:01,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label17.c [2019-08-14 11:09:01,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38066f4ff/e4d3fc7f2a2a430c88393951a8f387b2/FLAG137cb72fe [2019-08-14 11:09:01,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38066f4ff/e4d3fc7f2a2a430c88393951a8f387b2 [2019-08-14 11:09:01,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:09:01,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:09:01,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:01,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:09:01,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:09:01,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:01" (1/1) ... [2019-08-14 11:09:01,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d83722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:01, skipping insertion in model container [2019-08-14 11:09:01,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:01" (1/1) ... [2019-08-14 11:09:01,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:09:01,788 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:09:03,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:09:03,994 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:09:05,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:09:05,189 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:09:05,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05 WrapperNode [2019-08-14 11:09:05,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:05,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:09:05,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:09:05,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:09:05,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05" (1/1) ... [2019-08-14 11:09:05,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:09:05,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:09:05,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:09:05,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:09:05,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:05" (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 11:09:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:09:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:09:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:09:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:09:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:09:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:09:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 11:09:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:09:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:09:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:09:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:09:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:09:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 11:09:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:09:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:09:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:09:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:09:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:09:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:09:12,399 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:09:12,399 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:09:12,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:09:12 BoogieIcfgContainer [2019-08-14 11:09:12,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:09:12,402 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:09:12,402 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:09:12,403 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:09:12,404 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:09:12" (1/1) ... [2019-08-14 11:09:19,018 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:09:19,023 INFO L168 Benchmark]: Toolchain (without parser) took 17480.45 ms. Allocated memory was 174.6 MB in the beginning and 881.9 MB in the end (delta: 707.3 MB). Free memory was 143.3 MB in the beginning and 526.3 MB in the end (delta: -383.0 MB). Peak memory consumption was 714.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:19,024 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 11:09:19,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3648.70 ms. Allocated memory was 174.6 MB in the beginning and 296.7 MB in the end (delta: 122.2 MB). Free memory was 143.3 MB in the beginning and 100.5 MB in the end (delta: 42.7 MB). Peak memory consumption was 164.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:19,028 INFO L168 Benchmark]: Boogie Preprocessor took 455.82 ms. Allocated memory was 296.7 MB in the beginning and 302.0 MB in the end (delta: 5.2 MB). Free memory was 100.5 MB in the beginning and 182.3 MB in the end (delta: -81.8 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:19,029 INFO L168 Benchmark]: RCFGBuilder took 6754.90 ms. Allocated memory was 302.0 MB in the beginning and 633.3 MB in the end (delta: 331.4 MB). Free memory was 182.3 MB in the beginning and 376.8 MB in the end (delta: -194.4 MB). Peak memory consumption was 418.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:19,030 INFO L168 Benchmark]: Symbolic Interpretation took 6616.71 ms. Allocated memory was 633.3 MB in the beginning and 881.9 MB in the end (delta: 248.5 MB). Free memory was 376.8 MB in the beginning and 526.3 MB in the end (delta: -149.6 MB). Peak memory consumption was 488.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:19,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9396]: 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 122249#(and (= ~a14~0 6) (= 12 ~a3~0) (= ~a27~0 19) (not (= ~a26~0 1)) (= ~a10~0 1) (= 1 ~a2~0) (= ~a25~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3648.70 ms. Allocated memory was 174.6 MB in the beginning and 296.7 MB in the end (delta: 122.2 MB). Free memory was 143.3 MB in the beginning and 100.5 MB in the end (delta: 42.7 MB). Peak memory consumption was 164.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 455.82 ms. Allocated memory was 296.7 MB in the beginning and 302.0 MB in the end (delta: 5.2 MB). Free memory was 100.5 MB in the beginning and 182.3 MB in the end (delta: -81.8 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6754.90 ms. Allocated memory was 302.0 MB in the beginning and 633.3 MB in the end (delta: 331.4 MB). Free memory was 182.3 MB in the beginning and 376.8 MB in the end (delta: -194.4 MB). Peak memory consumption was 418.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6616.71 ms. Allocated memory was 633.3 MB in the beginning and 881.9 MB in the end (delta: 248.5 MB). Free memory was 376.8 MB in the beginning and 526.3 MB in the end (delta: -149.6 MB). Peak memory consumption was 488.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...