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/array-tiling/skippedu.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:36:22,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:36:22,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:36:22,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:36:22,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:36:22,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:36:22,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:36:22,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:36:22,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:36:22,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:36:22,853 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:36:22,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:36:22,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:36:22,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:36:22,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:36:22,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:36:22,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:36:22,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:36:22,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:36:22,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:36:22,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:36:22,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:36:22,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:36:22,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:36:22,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 10:36:22,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 10:36:22,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 10:36:22,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 10:36:22,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 10:36:22,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 10:36:22,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:36:22,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:36:22,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:36:22,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:36:22,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:36:22,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:36:22,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:36:22,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:36:22,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:36:22,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:36:22,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:36:22,884 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 10:36:22,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:36:22,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:36:22,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:36:22,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:36:22,910 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:36:22,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:36:22,910 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:36:22,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:36:22,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:36:22,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:36:22,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:36:22,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:36:22,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:36:22,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:36:22,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:36:22,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:36:22,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:36:22,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:36:22,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:36:22,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:36:22,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:36:22,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:36:22,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:36:22,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:36:22,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:36:22,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:36:22,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:36:22,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:36:22,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:36:22,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:36:22,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:36:22,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:36:22,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:36:22,995 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:36:22,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/skippedu.c [2019-08-14 10:36:23,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8186f278d/f84318aef930448b8b70bb68cde28d50/FLAG73e4c25b1 [2019-08-14 10:36:23,544 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:36:23,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/skippedu.c [2019-08-14 10:36:23,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8186f278d/f84318aef930448b8b70bb68cde28d50/FLAG73e4c25b1 [2019-08-14 10:36:24,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8186f278d/f84318aef930448b8b70bb68cde28d50 [2019-08-14 10:36:24,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:36:24,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:36:24,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:36:24,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:36:24,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:36:24,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e41c03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24, skipping insertion in model container [2019-08-14 10:36:24,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,054 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:36:24,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:36:24,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:36:24,279 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:36:24,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:36:24,398 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:36:24,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24 WrapperNode [2019-08-14 10:36:24,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:36:24,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:36:24,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:36:24,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:36:24,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:24,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:36:24,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:36:24,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:36:24,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:36:24,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:24" (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 10:36:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:36:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:36:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 10:36:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:36:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:36:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 10:36:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 10:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 10:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-14 10:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-14 10:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 10:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 10:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 10:36:24,797 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:36:24,797 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-14 10:36:24,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:36:24 BoogieIcfgContainer [2019-08-14 10:36:24,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:36:24,800 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:36:24,800 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:36:24,800 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:36:24,801 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:36:24" (1/1) ... [2019-08-14 10:36:25,192 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 10:36:25,257 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 10:36:25,438 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 10:36:25,595 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2019-08-14 10:36:25,764 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:36:25,766 INFO L168 Benchmark]: Toolchain (without parser) took 1727.24 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.5 MB in the beginning and 86.3 MB in the end (delta: 212.2 kB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:25,767 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 10:36:25,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 175.7 MB in the end (delta: -89.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:25,770 INFO L168 Benchmark]: Boogie Preprocessor took 36.86 ms. Allocated memory is still 198.7 MB. Free memory was 175.7 MB in the beginning and 173.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:25,770 INFO L168 Benchmark]: RCFGBuilder took 362.95 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 156.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:25,771 INFO L168 Benchmark]: Symbolic Interpretation took 964.58 ms. Allocated memory is still 198.7 MB. Free memory was 156.7 MB in the beginning and 86.3 MB in the end (delta: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:25,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3]: 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 169#(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 0.22 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 359.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 175.7 MB in the end (delta: -89.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.86 ms. Allocated memory is still 198.7 MB. Free memory was 175.7 MB in the beginning and 173.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 362.95 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 156.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 964.58 ms. Allocated memory is still 198.7 MB. Free memory was 156.7 MB in the beginning and 86.3 MB in the end (delta: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...