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/loop-industry-pattern/nested-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:23:22,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:23:22,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:23:22,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:23:22,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:23:22,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:23:22,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:23:22,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:23:22,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:23:22,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:23:22,716 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:23:22,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:23:22,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:23:22,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:23:22,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:23:22,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:23:22,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:23:22,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:23:22,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:23:22,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:23:22,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:23:22,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:23:22,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:23:22,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:23:22,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:23:22,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:23:22,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:23:22,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:23:22,740 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 [2019-08-18 07:23:22,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:23:22,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:23:22,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:23:22,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:23:22,763 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:23:22,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:23:22,764 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:23:22,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:23:22,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:23:22,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:23:22,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:23:22,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:23:22,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:23:22,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:23:22,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:23:22,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:23:22,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:23:22,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:23:22,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:23:22,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:23:22,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:23:22,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:23:22,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:23:22,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:23:22,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:23:22,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:23:22,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:23:22,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:23:22,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:23:22,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:23:22,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:23:22,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:23:22,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:23:22,823 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:23:22,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/nested-3.c [2019-08-18 07:23:22,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1cce15e/cad35d129d544b08848dab837232b163/FLAG31d3d07dc [2019-08-18 07:23:23,293 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:23:23,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/nested-3.c [2019-08-18 07:23:23,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1cce15e/cad35d129d544b08848dab837232b163/FLAG31d3d07dc [2019-08-18 07:23:23,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1cce15e/cad35d129d544b08848dab837232b163 [2019-08-18 07:23:23,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:23:23,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:23:23,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:23:23,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:23:23,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:23:23,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:23,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5c7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23, skipping insertion in model container [2019-08-18 07:23:23,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:23,721 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:23:23,734 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:23:23,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:23:23,906 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:23:23,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:23:23,945 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:23:23,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23 WrapperNode [2019-08-18 07:23:23,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:23:23,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:23:23,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:23:23,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:23:24,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:24,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:24,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:24,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:24,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:24,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:24,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23" (1/1) ... [2019-08-18 07:23:24,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:23:24,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:23:24,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:23:24,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:23:24,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:23:23" (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 [2019-08-18 07:23:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:23:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:23:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 07:23:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:23:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:23:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:23:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:23:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:23:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:23:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:23:24,305 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:23:24,305 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-18 07:23:24,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:23:24 BoogieIcfgContainer [2019-08-18 07:23:24,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:23:24,307 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:23:24,307 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:23:24,307 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:23:24,308 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:23:24" (1/1) ... [2019-08-18 07:23:24,319 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:23:24,326 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:23:24,334 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:23:24,346 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:23:24,347 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:23:24,419 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 6 [2019-08-18 07:23:24,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:23:24,563 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-18 07:23:24,563 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:23:24,564 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:23:24,566 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 168#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 07:23:24,581 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:23:24,581 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:23:24,584 INFO L168 Benchmark]: Toolchain (without parser) took 876.91 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.8 MB in the beginning and 155.2 MB in the end (delta: -68.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:23:24,586 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:23:24,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.10 ms. Allocated memory is still 140.5 MB. Free memory was 86.3 MB in the beginning and 76.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:24,588 INFO L168 Benchmark]: Boogie Preprocessor took 115.52 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 76.6 MB in the beginning and 177.8 MB in the end (delta: -101.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:24,589 INFO L168 Benchmark]: RCFGBuilder took 244.10 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 165.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:24,591 INFO L168 Benchmark]: Symbolic Interpretation took 274.64 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 155.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:23:24,599 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 11]: 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 168#(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 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.10 ms. Allocated memory is still 140.5 MB. Free memory was 86.3 MB in the beginning and 76.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.52 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 76.6 MB in the beginning and 177.8 MB in the end (delta: -101.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 244.10 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 165.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 274.64 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 155.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...