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-invgen/id_build.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:42:45,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:42:45,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:42:45,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:42:45,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:42:45,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:42:45,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:42:45,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:42:45,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:42:45,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:42:45,939 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:42:45,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:42:45,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:42:45,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:42:45,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:42:45,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:42:45,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:42:45,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:42:45,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:42:45,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:42:45,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:42:45,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:42:45,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:42:45,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:42:45,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:42:45,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:42:45,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:42:45,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:42:45,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:42:45,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:42:45,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:42:45,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:42:45,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:42:45,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:42:45,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:42:45,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:42:45,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:42:45,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:42:45,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:42:45,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:42:45,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:42:45,971 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 20:42:45,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:42:45,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:42:46,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:42:46,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:42:46,001 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:42:46,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:42:46,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:42:46,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:42:46,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:42:46,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:42:46,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:42:46,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:42:46,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:42:46,004 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:42:46,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:42:46,005 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:42:46,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:42:46,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:42:46,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:42:46,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:42:46,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:42:46,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:42:46,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:42:46,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:42:46,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:42:46,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:42:46,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:42:46,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:42:46,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:42:46,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:42:46,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:42:46,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:42:46,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:42:46,075 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:42:46,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i [2019-08-14 20:42:46,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5c8eefb/f483a23e2da6460fa165e35cd6b2f03d/FLAGa4bc5d61d [2019-08-14 20:42:46,565 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:42:46,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i [2019-08-14 20:42:46,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5c8eefb/f483a23e2da6460fa165e35cd6b2f03d/FLAGa4bc5d61d [2019-08-14 20:42:46,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5c8eefb/f483a23e2da6460fa165e35cd6b2f03d [2019-08-14 20:42:46,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:42:46,969 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:42:46,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:42:46,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:42:46,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:42:46,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:42:46" (1/1) ... [2019-08-14 20:42:46,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e408c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:46, skipping insertion in model container [2019-08-14 20:42:46,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:42:46" (1/1) ... [2019-08-14 20:42:46,988 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:42:47,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:42:47,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:42:47,189 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:42:47,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:42:47,220 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:42:47,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47 WrapperNode [2019-08-14 20:42:47,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:42:47,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:42:47,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:42:47,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:42:47,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47" (1/1) ... [2019-08-14 20:42:47,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47" (1/1) ... [2019-08-14 20:42:47,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47" (1/1) ... [2019-08-14 20:42:47,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47" (1/1) ... [2019-08-14 20:42:47,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47" (1/1) ... [2019-08-14 20:42:47,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47" (1/1) ... [2019-08-14 20:42:47,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47" (1/1) ... [2019-08-14 20:42:47,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:42:47,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:42:47,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:42:47,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:42:47,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:42:47" (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 20:42:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:42:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:42:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:42:47,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:42:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:42:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 20:42:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:42:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:42:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:42:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:42:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:42:47,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:42:47,573 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 20:42:47,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:42:47 BoogieIcfgContainer [2019-08-14 20:42:47,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:42:47,578 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:42:47,578 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:42:47,578 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:42:47,579 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:42:47" (1/1) ... [2019-08-14 20:42:47,827 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:42:47,830 INFO L168 Benchmark]: Toolchain (without parser) took 859.55 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 86.5 MB in the beginning and 154.2 MB in the end (delta: -67.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 20:42:47,831 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:42:47,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.40 ms. Allocated memory is still 138.9 MB. Free memory was 86.2 MB in the beginning and 77.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:47,835 INFO L168 Benchmark]: Boogie Preprocessor took 129.58 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 77.0 MB in the beginning and 177.2 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:47,836 INFO L168 Benchmark]: RCFGBuilder took 223.07 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 166.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:47,837 INFO L168 Benchmark]: Symbolic Interpretation took 249.27 ms. Allocated memory is still 199.8 MB. Free memory was 166.1 MB in the beginning and 154.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:42:47,846 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 150#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 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 0.48 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.40 ms. Allocated memory is still 138.9 MB. Free memory was 86.2 MB in the beginning and 77.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.58 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 77.0 MB in the beginning and 177.2 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.07 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 166.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 249.27 ms. Allocated memory is still 199.8 MB. Free memory was 166.1 MB in the beginning and 154.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...