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/trex03-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:00:33,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:00:33,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:00:34,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:00:34,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:00:34,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:00:34,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:00:34,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:00:34,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:00:34,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:00:34,015 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:00:34,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:00:34,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:00:34,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:00:34,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:00:34,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:00:34,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:00:34,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:00:34,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:00:34,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:00:34,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:00:34,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:00:34,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:00:34,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:00:34,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:00:34,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:00:34,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:00:34,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:00:34,057 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 22:00:34,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:00:34,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:00:34,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:00:34,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:00:34,088 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:00:34,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:00:34,088 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:00:34,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:00:34,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:00:34,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:00:34,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:00:34,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:00:34,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:00:34,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:00:34,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:00:34,091 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:00:34,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:00:34,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:00:34,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:00:34,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:00:34,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:00:34,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:00:34,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:00:34,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:00:34,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:00:34,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:00:34,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:00:34,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:00:34,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:00:34,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:00:34,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:00:34,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:00:34,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:00:34,148 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:00:34,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-2.c [2019-08-22 22:00:34,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f614050b1/1c08d7ffa93b4bef93b5193a51511a7e/FLAG6577fe947 [2019-08-22 22:00:34,674 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:00:34,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-2.c [2019-08-22 22:00:34,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f614050b1/1c08d7ffa93b4bef93b5193a51511a7e/FLAG6577fe947 [2019-08-22 22:00:35,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f614050b1/1c08d7ffa93b4bef93b5193a51511a7e [2019-08-22 22:00:35,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:00:35,085 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:00:35,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:00:35,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:00:35,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:00:35,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59155631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35, skipping insertion in model container [2019-08-22 22:00:35,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:00:35,116 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:00:35,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:00:35,288 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:00:35,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:00:35,315 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:00:35,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35 WrapperNode [2019-08-22 22:00:35,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:00:35,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:00:35,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:00:35,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:00:35,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:00:35,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:00:35,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:00:35,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:00:35,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:35" (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 22:00:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:00:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:00:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:00:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:00:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:00:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:00:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-22 22:00:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 22:00:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:00:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:00:35,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:00:35,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:00:35,674 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:00:35,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:00:35 BoogieIcfgContainer [2019-08-22 22:00:35,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:00:35,676 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:00:35,676 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:00:35,677 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:00:35,678 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:00:35" (1/1) ... [2019-08-22 22:00:35,692 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:00:35,694 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:00:35,701 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:00:35,710 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:00:35,712 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:00:35,757 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 22:00:35,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:00:35,865 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 [2019-08-22 22:00:35,870 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 22:00:35,870 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 22:00:35,872 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 42#(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 22:00:35,879 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 22:00:35,880 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 22:00:35,883 INFO L168 Benchmark]: Toolchain (without parser) took 797.49 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.4 MB in the beginning and 154.0 MB in the end (delta: -65.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-08-22 22:00:35,885 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 22:00:35,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.71 ms. Allocated memory is still 132.6 MB. Free memory was 88.2 MB in the beginning and 78.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-22 22:00:35,888 INFO L168 Benchmark]: Boogie Preprocessor took 118.57 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.7 MB in the beginning and 175.7 MB in the end (delta: -96.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-22 22:00:35,892 INFO L168 Benchmark]: RCFGBuilder took 240.05 ms. Allocated memory is still 199.2 MB. Free memory was 175.7 MB in the beginning and 163.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-08-22 22:00:35,893 INFO L168 Benchmark]: Symbolic Interpretation took 204.12 ms. Allocated memory is still 199.2 MB. Free memory was 163.6 MB in the beginning and 154.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-22 22:00:35,903 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 0.92 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 230.71 ms. Allocated memory is still 132.6 MB. Free memory was 88.2 MB in the beginning and 78.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.57 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.7 MB in the beginning and 175.7 MB in the end (delta: -96.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 240.05 ms. Allocated memory is still 199.2 MB. Free memory was 175.7 MB in the beginning and 163.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 204.12 ms. Allocated memory is still 199.2 MB. Free memory was 163.6 MB in the beginning and 154.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...