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/bitvector/gcd_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:37:00,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:37:00,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:37:00,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:37:00,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:37:00,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:37:00,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:37:00,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:37:00,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:37:00,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:37:00,764 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:37:00,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:37:00,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:37:00,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:37:00,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:37:00,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:37:00,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:37:00,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:37:00,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:37:00,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:37:00,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:37:00,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:37:00,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:37:00,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:37:00,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 10:37:00,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:37:00,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:37:00,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:37:00,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:37:00,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:37:00,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:37:00,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:37:00,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:37:00,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:37:00,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:37:00,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:37:00,792 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 10:37:00,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:37:00,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:37:00,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:37:00,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:37:00,808 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:37:00,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:37:00,809 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:37:00,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:37:00,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:37:00,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:37:00,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:37:00,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:37:00,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:37:00,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:37:00,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:37:00,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:37:00,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:37:00,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:37:00,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:37:00,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:37:00,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:37:00,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:37:00,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:37:00,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:37:00,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:37:00,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:37:00,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:37:00,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:37:00,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:37:00,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:37:00,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:37:00,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:37:00,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:37:00,872 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:37:00,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/gcd_2.c [2019-08-14 10:37:00,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1dc1026/755137e0232a42ce8511e8850e2f09bc/FLAG7fcdf2564 [2019-08-14 10:37:01,439 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:37:01,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/gcd_2.c [2019-08-14 10:37:01,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1dc1026/755137e0232a42ce8511e8850e2f09bc/FLAG7fcdf2564 [2019-08-14 10:37:01,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1dc1026/755137e0232a42ce8511e8850e2f09bc [2019-08-14 10:37:01,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:37:01,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:37:01,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:37:01,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:37:01,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:37:01,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:37:01" (1/1) ... [2019-08-14 10:37:01,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4096715b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:01, skipping insertion in model container [2019-08-14 10:37:01,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:37:01" (1/1) ... [2019-08-14 10:37:01,867 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:37:01,885 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:37:02,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:37:02,093 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:37:02,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:37:02,125 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:37:02,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02 WrapperNode [2019-08-14 10:37:02,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:37:02,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:37:02,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:37:02,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:37:02,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02" (1/1) ... [2019-08-14 10:37:02,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02" (1/1) ... [2019-08-14 10:37:02,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02" (1/1) ... [2019-08-14 10:37:02,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02" (1/1) ... [2019-08-14 10:37:02,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02" (1/1) ... [2019-08-14 10:37:02,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02" (1/1) ... [2019-08-14 10:37:02,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02" (1/1) ... [2019-08-14 10:37:02,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:37:02,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:37:02,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:37:02,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:37:02,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:02" (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 10:37:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:37:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:37:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 10:37:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2019-08-14 10:37:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:37:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:37:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 10:37:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 10:37:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2019-08-14 10:37:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:37:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:37:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:37:02,516 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:37:02,516 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 10:37:02,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:37:02 BoogieIcfgContainer [2019-08-14 10:37:02,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:37:02,519 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:37:02,519 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:37:02,519 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:37:02,521 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:37:02" (1/1) ... [2019-08-14 10:37:02,955 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:37:02,961 INFO L168 Benchmark]: Toolchain (without parser) took 1106.87 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 85.8 MB in the beginning and 135.2 MB in the end (delta: -49.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:37:02,963 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 10:37:02,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.14 ms. Allocated memory is still 138.4 MB. Free memory was 85.6 MB in the beginning and 76.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-14 10:37:02,969 INFO L168 Benchmark]: Boogie Preprocessor took 137.67 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 76.2 MB in the beginning and 176.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:37:02,971 INFO L168 Benchmark]: RCFGBuilder took 253.87 ms. Allocated memory is still 199.8 MB. Free memory was 176.8 MB in the beginning and 164.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-14 10:37:02,972 INFO L168 Benchmark]: Symbolic Interpretation took 436.37 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 135.2 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-08-14 10:37:02,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: 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 43#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). 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 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.14 ms. Allocated memory is still 138.4 MB. Free memory was 85.6 MB in the beginning and 76.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.67 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 76.2 MB in the beginning and 176.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 253.87 ms. Allocated memory is still 199.8 MB. Free memory was 176.8 MB in the beginning and 164.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 436.37 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 135.2 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...