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-invariants/const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:13:21,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:13:21,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:13:21,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:13:21,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:13:21,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:13:21,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:13:21,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:13:21,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:13:21,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:13:21,720 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:13:21,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:13:21,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:13:21,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:13:21,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:13:21,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:13:21,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:13:21,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:13:21,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:13:21,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:13:21,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:13:21,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:13:21,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:13:21,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:13:21,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:13:21,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:13:21,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:13:21,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:13:21,746 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 [2019-08-22 22:13:21,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:13:21,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:13:21,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:13:21,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:13:21,761 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:13:21,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:13:21,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:13:21,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:13:21,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:13:21,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:13:21,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:13:21,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:13:21,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:13:21,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:13:21,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:13:21,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:13:21,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:13:21,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:13:21,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:13:21,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:13:21,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:13:21,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:13:21,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:13:21,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:13:21,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:13:21,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:13:21,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:13:21,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:13:21,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:13:21,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:13:21,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:13:21,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:13:21,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:13:21,812 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:13:21,812 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/const.c [2019-08-22 22:13:21,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bff2370/2be41bfe02524b35b334585919abab28/FLAG02d5e604a [2019-08-22 22:13:22,304 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:13:22,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/const.c [2019-08-22 22:13:22,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bff2370/2be41bfe02524b35b334585919abab28/FLAG02d5e604a [2019-08-22 22:13:22,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bff2370/2be41bfe02524b35b334585919abab28 [2019-08-22 22:13:22,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:13:22,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:13:22,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:13:22,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:13:22,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:13:22,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:22,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14445a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22, skipping insertion in model container [2019-08-22 22:13:22,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:22,720 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:13:22,735 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:13:22,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:13:22,893 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:13:22,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:13:22,920 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:13:22,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22 WrapperNode [2019-08-22 22:13:22,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:13:22,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:13:22,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:13:22,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:13:23,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:23,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:23,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:23,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:23,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:23,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:23,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22" (1/1) ... [2019-08-22 22:13:23,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:13:23,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:13:23,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:13:23,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:13:23,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:13:22" (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 [2019-08-22 22:13:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:13:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:13:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:13:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:13:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:13:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-22 22:13:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:13:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:13:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:13:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:13:23,254 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:13:23,255 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:13:23,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:13:23 BoogieIcfgContainer [2019-08-22 22:13:23,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:13:23,257 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:13:23,257 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:13:23,257 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:13:23,258 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:13:23" (1/1) ... [2019-08-22 22:13:23,273 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:13:23,276 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:13:23,282 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:13:23,291 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:13:23,293 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:13:23,371 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 22:13:23,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:13:23,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:13:23,561 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 [2019-08-22 22:13:23,563 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 22:13:23,563 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 22:13:23,565 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 84#(and (= |__VERIFIER_assert_#in~cond| 1) (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 22:13:23,570 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 22:13:23,570 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 22:13:23,576 INFO L168 Benchmark]: Toolchain (without parser) took 868.14 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 88.5 MB in the beginning and 158.1 MB in the end (delta: -69.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 22:13:23,577 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 22:13:23,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.28 ms. Allocated memory is still 137.9 MB. Free memory was 88.3 MB in the beginning and 79.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-22 22:13:23,580 INFO L168 Benchmark]: Boogie Preprocessor took 114.75 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 78.8 MB in the beginning and 179.9 MB in the end (delta: -101.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-08-22 22:13:23,583 INFO L168 Benchmark]: RCFGBuilder took 220.12 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 169.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-22 22:13:23,584 INFO L168 Benchmark]: Symbolic Interpretation took 313.58 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 158.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-22 22:13:23,592 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 216.28 ms. Allocated memory is still 137.9 MB. Free memory was 88.3 MB in the beginning and 79.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.75 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 78.8 MB in the beginning and 179.9 MB in the end (delta: -101.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 220.12 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 169.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 313.58 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 158.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...