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_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:01:01,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:01:01,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:01:01,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:01:01,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:01:01,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:01:01,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:01:01,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:01:01,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:01:01,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:01:01,244 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:01:01,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:01:01,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:01:01,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:01:01,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:01:01,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:01:01,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:01:01,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:01:01,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:01:01,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:01:01,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:01:01,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:01:01,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:01:01,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:01:01,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:01:01,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:01:01,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:01:01,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:01:01,274 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 22:01:01,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:01:01,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:01:01,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:01:01,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:01:01,297 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:01:01,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:01:01,297 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:01:01,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:01:01,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:01:01,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:01:01,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:01:01,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:01:01,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:01:01,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:01:01,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:01:01,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:01:01,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:01:01,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:01:01,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:01:01,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:01:01,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:01:01,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:01:01,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:01:01,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:01:01,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:01:01,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:01:01,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:01:01,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:01:01,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:01:01,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:01:01,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:01:01,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:01:01,368 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:01:01,369 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:01:01,369 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c [2019-08-22 22:01:01,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6f0df91/f6c7c5fd6ef44860b1551f271c8d942a/FLAGb6d973e89 [2019-08-22 22:01:01,890 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:01:01,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_2.c [2019-08-22 22:01:01,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6f0df91/f6c7c5fd6ef44860b1551f271c8d942a/FLAGb6d973e89 [2019-08-22 22:01:02,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6f0df91/f6c7c5fd6ef44860b1551f271c8d942a [2019-08-22 22:01:02,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:01:02,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:01:02,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:01:02,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:01:02,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:01:02,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bc8f40 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 22:01:02,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:01:02" (1/1) ... [2019-08-22 22:01:02,285 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:01:02,300 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:01:02,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:01:02,452 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:01:02,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:01:02,482 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:01:02,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:02 WrapperNode [2019-08-22 22:01:02,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:01:02,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:01:02,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:01:02,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:01:02,582 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 22:01:02,583 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 22:01:02,588 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 22:01:02,590 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 22:01:02,593 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 22:01:02,598 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 22:01:02,599 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 22:01:02,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:01:02,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:01:02,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:01:02,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:01:02,601 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 22:01:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:01:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:01:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:01:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:01:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:01:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:01:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:01:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:01:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:01:02,779 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:01:02,779 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:01:02,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:01:02 BoogieIcfgContainer [2019-08-22 22:01:02,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:01:02,781 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:01:02,781 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:01:02,782 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:01:02,782 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 22:01:02,795 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:01:02,798 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:01:02,804 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:01:02,812 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:01:02,813 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:01:02,860 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 22:01:02,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:01:02,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:01:02,922 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-22 22:01:02,925 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 22:01:02,925 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 22:01:02,928 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 60#(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 22:01:02,933 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 22:01:02,934 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 22:01:02,936 INFO L168 Benchmark]: Toolchain (without parser) took 665.55 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 91.1 MB in the beginning and 160.7 MB in the end (delta: -69.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 22:01:02,938 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-22 22:01:02,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.70 ms. Allocated memory is still 134.7 MB. Free memory was 90.9 MB in the beginning and 82.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-22 22:01:02,941 INFO L168 Benchmark]: Boogie Preprocessor took 115.17 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 82.0 MB in the beginning and 178.5 MB in the end (delta: -96.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-22 22:01:02,942 INFO L168 Benchmark]: RCFGBuilder took 180.60 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 168.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-22 22:01:02,943 INFO L168 Benchmark]: Symbolic Interpretation took 152.55 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 161.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-08-22 22:01:02,947 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 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 213.70 ms. Allocated memory is still 134.7 MB. Free memory was 90.9 MB in the beginning and 82.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.17 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 82.0 MB in the beginning and 178.5 MB in the end (delta: -96.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 180.60 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 168.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 152.55 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 161.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...