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.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:25:42,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:25:42,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:25:43,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:25:43,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:25:43,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:25:43,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:25:43,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:25:43,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:25:43,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:25:43,009 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:25:43,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:25:43,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:25:43,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:25:43,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:25:43,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:25:43,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:25:43,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:25:43,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:25:43,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:25:43,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:25:43,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:25:43,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:25:43,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:25:43,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:25:43,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:25:43,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:25:43,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:25:43,037 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 [2019-08-10 02:25:43,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:25:43,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:25:43,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:25:43,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:25:43,053 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:25:43,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:25:43,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:25:43,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:25:43,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:25:43,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:25:43,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:25:43,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:25:43,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:25:43,055 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:25:43,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:25:43,056 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:25:43,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:25:43,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:25:43,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:25:43,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:25:43,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:25:43,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:25:43,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:25:43,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:25:43,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:25:43,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:25:43,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:25:43,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:25:43,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:25:43,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:25:43,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:25:43,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:25:43,104 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:25:43,105 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:25:43,105 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-08-10 02:25:43,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a557263d/d77c68bf3fea4945a105fb1990ff99d7/FLAG76d822ddb [2019-08-10 02:25:43,632 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:25:43,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-08-10 02:25:43,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a557263d/d77c68bf3fea4945a105fb1990ff99d7/FLAG76d822ddb [2019-08-10 02:25:44,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a557263d/d77c68bf3fea4945a105fb1990ff99d7 [2019-08-10 02:25:44,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:25:44,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:25:44,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:25:44,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:25:44,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:25:44,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cefffb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44, skipping insertion in model container [2019-08-10 02:25:44,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,072 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:25:44,092 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:25:44,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:25:44,262 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:25:44,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:25:44,308 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:25:44,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44 WrapperNode [2019-08-10 02:25:44,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:25:44,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:25:44,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:25:44,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:25:44,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:25:44,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:25:44,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:25:44,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:25:44,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:25:44" (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 [2019-08-10 02:25:44,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:25:44,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:25:44,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:25:44,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:25:44,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 02:25:44,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:25:44,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:25:44,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:25:44,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:25:44,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:25:44,690 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:25:44,690 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 02:25:44,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:25:44 BoogieIcfgContainer [2019-08-10 02:25:44,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:25:44,692 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:25:44,693 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:25:44,693 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:25:44,694 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:25:44" (1/1) ... [2019-08-10 02:25:44,892 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:25:44,901 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:25:44,904 INFO L168 Benchmark]: Toolchain (without parser) took 852.87 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.4 MB in the beginning and 154.3 MB in the end (delta: -64.9 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:25:44,905 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:25:44,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.92 ms. Allocated memory is still 133.2 MB. Free memory was 89.2 MB in the beginning and 79.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:25:44,907 INFO L168 Benchmark]: Boogie Preprocessor took 115.81 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 79.5 MB in the beginning and 177.3 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:25:44,908 INFO L168 Benchmark]: RCFGBuilder took 265.82 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 164.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:25:44,909 INFO L168 Benchmark]: Symbolic Interpretation took 208.62 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 154.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:25:44,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 30]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 72#(and (= |old(~__return_100~0)| 0) (<= 0 (+ main_~main__nlen~0 2147483648)) (= 0 main_~main__j~0) (<= main_~main__nlen~0 2147483647) (< main_~main__i~0 main_~main__nlen~0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__return_100~0)| ~__return_100~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= 0 main_~main__i~0) (= ~__return_main~0 0) (< main_~main__j~0 8) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_1~0)). Possible FailurePath: - UnprovableResult [Line: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 68#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (or (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (and (= main_~__tmp_2~0 0) (not (< 0 (+ main_~main__i~0 1))))) (not (= main_~__VERIFIER_assert__cond~1 0)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: - UnprovableResult [Line: 43]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 58#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.92 ms. Allocated memory is still 133.2 MB. Free memory was 89.2 MB in the beginning and 79.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.81 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 79.5 MB in the beginning and 177.3 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 265.82 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 164.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 208.62 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 154.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...