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/loops/trex01-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:41:12,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:41:12,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:41:12,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:41:12,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:41:12,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:41:12,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:41:12,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:41:12,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:41:12,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:41:12,901 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:41:12,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:41:12,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:41:12,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:41:12,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:41:12,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:41:12,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:41:12,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:41:12,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:41:12,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:41:12,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:41:12,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:41:12,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:41:12,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:41:12,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:41:12,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:41:12,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:41:12,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:41:12,955 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 20:41:12,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:41:12,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:41:12,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:41:12,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:41:12,984 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:41:12,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:41:12,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:41:12,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:41:12,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:41:12,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:41:12,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:41:12,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:41:12,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:41:12,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:41:12,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:41:12,988 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:41:12,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:41:12,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:41:12,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:41:12,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:41:12,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:41:12,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:41:12,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:41:12,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:41:12,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:41:12,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:41:12,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:41:12,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:41:12,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:41:13,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:41:13,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:41:13,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:41:13,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:41:13,068 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:41:13,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex01-1.c [2019-08-14 20:41:13,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c510e4066/0d1230f8a89e40b9bed4390f0c997b55/FLAG1048ea6d3 [2019-08-14 20:41:13,587 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:41:13,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex01-1.c [2019-08-14 20:41:13,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c510e4066/0d1230f8a89e40b9bed4390f0c997b55/FLAG1048ea6d3 [2019-08-14 20:41:13,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c510e4066/0d1230f8a89e40b9bed4390f0c997b55 [2019-08-14 20:41:13,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:41:13,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:41:13,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:41:13,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:41:13,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:41:13,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:41:13" (1/1) ... [2019-08-14 20:41:13,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fff505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:13, skipping insertion in model container [2019-08-14 20:41:13,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:41:13" (1/1) ... [2019-08-14 20:41:13,953 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:41:13,969 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:41:14,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:41:14,139 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:41:14,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:41:14,171 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:41:14,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14 WrapperNode [2019-08-14 20:41:14,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:41:14,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:41:14,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:41:14,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:41:14,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14" (1/1) ... [2019-08-14 20:41:14,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14" (1/1) ... [2019-08-14 20:41:14,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14" (1/1) ... [2019-08-14 20:41:14,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14" (1/1) ... [2019-08-14 20:41:14,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14" (1/1) ... [2019-08-14 20:41:14,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14" (1/1) ... [2019-08-14 20:41:14,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14" (1/1) ... [2019-08-14 20:41:14,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:41:14,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:41:14,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:41:14,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:41:14,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:14" (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 20:41:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:41:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:41:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:41:14,345 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-14 20:41:14,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:41:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:41:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:41:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 20:41:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:41:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-14 20:41:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:41:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:41:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:41:14,575 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:41:14,575 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 20:41:14,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:41:14 BoogieIcfgContainer [2019-08-14 20:41:14,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:41:14,581 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:41:14,581 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:41:14,582 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:41:14,583 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:41:14" (1/1) ... [2019-08-14 20:41:14,788 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:41:14,791 INFO L168 Benchmark]: Toolchain (without parser) took 860.56 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.0 MB in the beginning and 155.1 MB in the end (delta: -67.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 20:41:14,792 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:41:14,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.66 ms. Allocated memory is still 132.6 MB. Free memory was 87.8 MB in the beginning and 78.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:14,794 INFO L168 Benchmark]: Boogie Preprocessor took 118.63 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.4 MB in the beginning and 176.2 MB in the end (delta: -97.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:14,795 INFO L168 Benchmark]: RCFGBuilder took 286.23 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 163.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:14,796 INFO L168 Benchmark]: Symbolic Interpretation took 207.53 ms. Allocated memory is still 199.8 MB. Free memory was 163.6 MB in the beginning and 155.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:14,800 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 42#(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 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.66 ms. Allocated memory is still 132.6 MB. Free memory was 87.8 MB in the beginning and 78.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.63 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.4 MB in the beginning and 176.2 MB in the end (delta: -97.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 286.23 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 163.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 207.53 ms. Allocated memory is still 199.8 MB. Free memory was 163.6 MB in the beginning and 155.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...