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/while_infinite_loop_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:01:01,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:01:01,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:01:01,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:01:01,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:01:01,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:01:01,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:01:01,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:01:01,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:01:01,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:01:01,283 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:01:01,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:01:01,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:01:01,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:01:01,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:01:01,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:01:01,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:01:01,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:01:01,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:01:01,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:01:01,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:01:01,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:01:01,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:01:01,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:01:01,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:01:01,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:01:01,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:01:01,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:01:01,312 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 22:01:01,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:01:01,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:01:01,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:01:01,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:01:01,329 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:01:01,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:01:01,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:01:01,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:01:01,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:01:01,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:01:01,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:01:01,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:01:01,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:01:01,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:01:01,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:01:01,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:01:01,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:01:01,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:01:01,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:01:01,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:01:01,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:01:01,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:01:01,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:01:01,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:01:01,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:01:01,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:01:01,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:01:01,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:01:01,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:01:01,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:01:01,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:01:01,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:01:01,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:01:01,380 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:01:01,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_1.c [2019-08-22 22:01:01,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c655ab88e/68005158715d454fbd60cab6e5ba2244/FLAG075a11ada [2019-08-22 22:01:01,898 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:01:01,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_1.c [2019-08-22 22:01:01,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c655ab88e/68005158715d454fbd60cab6e5ba2244/FLAG075a11ada [2019-08-22 22:01:02,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c655ab88e/68005158715d454fbd60cab6e5ba2244 [2019-08-22 22:01:02,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:01:02,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:01:02,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:01:02,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:01:02,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:01:02,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9eeadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02, skipping insertion in model container [2019-08-22 22:01:02,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,360 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:01:02,375 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:01:02,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:01:02,571 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:01:02,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:01:02,596 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:01:02,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02 WrapperNode [2019-08-22 22:01:02,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:01:02,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:01:02,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:01:02,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:01:02,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:01:02,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:01:02,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:01:02,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:01:02,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02" (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 22:01:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:01:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:01:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:01:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:01:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:01:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:01:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:01:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:01:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:01:02,877 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:01:02,881 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:01:02,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:01:02 BoogieIcfgContainer [2019-08-22 22:01:02,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:01:02,883 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:01:02,883 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:01:02,883 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:01:02,884 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,895 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:01:02,899 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:01:02,906 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:01:02,913 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:01:02,914 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:01:02,968 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 22:01:03,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:01:03,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:01:03,023 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-22 22:01:03,025 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 22:01:03,026 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 22:01:03,027 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 54#(and (= |__VERIFIER_assert_#in~cond| 1) (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 22:01:03,032 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 22:01:03,032 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 22:01:03,035 INFO L168 Benchmark]: Toolchain (without parser) took 692.33 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 86.6 MB in the beginning and 156.8 MB in the end (delta: -70.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 22:01:03,036 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 22:01:03,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.22 ms. Allocated memory is still 130.5 MB. Free memory was 86.4 MB in the beginning and 77.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-22 22:01:03,039 INFO L168 Benchmark]: Boogie Preprocessor took 111.37 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 77.4 MB in the beginning and 174.5 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-22 22:01:03,040 INFO L168 Benchmark]: RCFGBuilder took 172.77 ms. Allocated memory is still 197.7 MB. Free memory was 174.5 MB in the beginning and 164.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-22 22:01:03,041 INFO L168 Benchmark]: Symbolic Interpretation took 149.63 ms. Allocated memory is still 197.7 MB. Free memory was 164.4 MB in the beginning and 156.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-08-22 22:01:03,045 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 130.5 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.22 ms. Allocated memory is still 130.5 MB. Free memory was 86.4 MB in the beginning and 77.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.37 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 77.4 MB in the beginning and 174.5 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 172.77 ms. Allocated memory is still 197.7 MB. Free memory was 174.5 MB in the beginning and 164.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 149.63 ms. Allocated memory is still 197.7 MB. Free memory was 164.4 MB in the beginning and 156.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...