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/veris.c_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:41:20,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:41:20,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:41:20,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:41:20,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:41:20,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:41:20,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:41:20,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:41:20,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:41:20,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:41:20,576 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:41:20,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:41:20,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:41:20,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:41:20,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:41:20,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:41:20,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:41:20,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:41:20,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:41:20,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:41:20,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:41:20,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:41:20,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:41:20,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:41:20,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:41:20,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:41:20,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:41:20,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:41:20,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:41:20,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:41:20,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:41:20,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:41:20,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:41:20,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:41:20,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:41:20,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:41:20,606 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 20:41:20,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:41:20,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:41:20,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:41:20,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:41:20,633 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:41:20,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:41:20,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:41:20,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:41:20,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:41:20,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:41:20,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:41:20,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:41:20,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:41:20,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:41:20,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:41:20,637 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:41:20,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:41:20,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:41:20,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:41:20,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:41:20,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:41:20,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:41:20,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:41:20,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:41:20,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:41:20,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:41:20,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:41:20,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:41:20,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:41:20,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:41:20,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:41:20,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:41:20,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:41:20,700 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:41:20,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-08-14 20:41:20,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10fc942d2/38071d2a9da245aeab938700d69ac96f/FLAG94ef54f88 [2019-08-14 20:41:21,200 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:41:21,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-08-14 20:41:21,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10fc942d2/38071d2a9da245aeab938700d69ac96f/FLAG94ef54f88 [2019-08-14 20:41:21,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10fc942d2/38071d2a9da245aeab938700d69ac96f [2019-08-14 20:41:21,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:41:21,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:41:21,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:41:21,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:41:21,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:41:21,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:21,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f480c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21, skipping insertion in model container [2019-08-14 20:41:21,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:21,614 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:41:21,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:41:21,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:41:21,867 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:41:21,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:41:21,911 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:41:21,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21 WrapperNode [2019-08-14 20:41:21,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:41:21,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:41:21,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:41:21,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:41:22,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:22,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:22,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:22,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:22,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:22,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:22,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21" (1/1) ... [2019-08-14 20:41:22,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:41:22,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:41:22,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:41:22,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:41:22,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:21" (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 20:41:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:41:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:41:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:41:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2019-08-14 20:41:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:41:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:41:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:41:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2019-08-14 20:41:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:41:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:41:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:41:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:41:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:41:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:41:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:41:22,409 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:41:22,410 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 20:41:22,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:41:22 BoogieIcfgContainer [2019-08-14 20:41:22,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:41:22,417 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:41:22,418 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:41:22,418 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:41:22,419 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:41:22" (1/1) ... [2019-08-14 20:41:22,904 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:41:22,907 INFO L168 Benchmark]: Toolchain (without parser) took 1307.73 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 85.6 MB in the beginning and 133.2 MB in the end (delta: -47.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:22,908 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:41:22,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.79 ms. Allocated memory is still 140.0 MB. Free memory was 85.4 MB in the beginning and 75.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:22,910 INFO L168 Benchmark]: Boogie Preprocessor took 167.19 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 75.8 MB in the beginning and 177.6 MB in the end (delta: -101.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:22,911 INFO L168 Benchmark]: RCFGBuilder took 336.70 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 164.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:22,911 INFO L168 Benchmark]: Symbolic Interpretation took 487.29 ms. Allocated memory is still 200.8 MB. Free memory was 164.1 MB in the beginning and 133.2 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:22,915 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 52#(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 0.54 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 312.79 ms. Allocated memory is still 140.0 MB. Free memory was 85.4 MB in the beginning and 75.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.19 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 75.8 MB in the beginning and 177.6 MB in the end (delta: -101.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 336.70 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 164.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 487.29 ms. Allocated memory is still 200.8 MB. Free memory was 164.1 MB in the beginning and 133.2 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...