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/ldv-regression/test_while_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:54:32,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:54:32,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:54:32,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:54:32,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:54:32,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:54:32,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:54:32,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:54:32,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:54:32,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:54:32,416 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:54:32,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:54:32,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:54:32,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:54:32,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:54:32,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:54:32,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:54:32,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:54:32,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:54:32,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:54:32,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:54:32,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:54:32,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:54:32,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:54:32,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:54:32,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:54:32,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:54:32,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:54:32,460 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 [2019-08-18 06:54:32,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:54:32,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:54:32,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:54:32,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:54:32,475 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:54:32,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:54:32,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:54:32,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:54:32,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:54:32,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:54:32,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:54:32,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:54:32,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:54:32,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:54:32,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:54:32,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:54:32,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:54:32,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:54:32,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:54:32,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:54:32,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:54:32,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:54:32,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:54:32,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:54:32,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:54:32,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:54:32,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:54:32,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:54:32,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:54:32,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:54:32,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:54:32,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:54:32,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:54:32,526 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:54:32,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-08-18 06:54:32,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6385be550/5d69aa1ba6a24775a14ab6e9a2dce62c/FLAG6993f8dfa [2019-08-18 06:54:33,005 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:54:33,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-08-18 06:54:33,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6385be550/5d69aa1ba6a24775a14ab6e9a2dce62c/FLAG6993f8dfa [2019-08-18 06:54:33,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6385be550/5d69aa1ba6a24775a14ab6e9a2dce62c [2019-08-18 06:54:33,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:54:33,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:54:33,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:54:33,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:54:33,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:54:33,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ec1988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33, skipping insertion in model container [2019-08-18 06:54:33,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:54:33,406 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:54:33,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:54:33,580 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:54:33,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:54:33,615 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:54:33,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33 WrapperNode [2019-08-18 06:54:33,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:54:33,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:54:33,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:54:33,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:54:33,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:54:33,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:54:33,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:54:33,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:54:33,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:33" (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 [2019-08-18 06:54:33,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:54:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:54:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-18 06:54:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure check_error [2019-08-18 06:54:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:54:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:54:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-18 06:54:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure check_error [2019-08-18 06:54:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:54:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:54:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:54:33,940 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:54:33,940 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 06:54:33,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:54:33 BoogieIcfgContainer [2019-08-18 06:54:33,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:54:33,945 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:54:33,945 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:54:33,946 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:54:33,947 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:54:33" (1/1) ... [2019-08-18 06:54:33,958 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:54:33,960 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:54:33,966 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:54:33,974 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:54:33,975 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:54:34,014 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 06:54:34,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:54:34,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:54:34,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:54:34,068 INFO L185 IcfgInterpreter]: Interpreting procedure check_error with input of size 6 [2019-08-18 06:54:34,070 INFO L185 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 [2019-08-18 06:54:34,070 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:54:34,071 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:54:34,077 INFO L179 IcfgInterpreter]: Location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 48#true [2019-08-18 06:54:34,088 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:54:34,088 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:54:34,091 INFO L168 Benchmark]: Toolchain (without parser) took 716.33 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.4 MB in the beginning and 159.4 MB in the end (delta: -70.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:54:34,092 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:54:34,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.03 ms. Allocated memory is still 133.2 MB. Free memory was 89.2 MB in the beginning and 80.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:34,094 INFO L168 Benchmark]: Boogie Preprocessor took 121.75 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 80.2 MB in the beginning and 177.8 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:34,095 INFO L168 Benchmark]: RCFGBuilder took 206.12 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 167.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:34,096 INFO L168 Benchmark]: Symbolic Interpretation took 143.09 ms. Allocated memory is still 200.8 MB. Free memory was 167.1 MB in the beginning and 159.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:34,100 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: 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 48#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.03 ms. Allocated memory is still 133.2 MB. Free memory was 89.2 MB in the beginning and 80.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.75 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 80.2 MB in the beginning and 177.8 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.12 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 167.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 143.09 ms. Allocated memory is still 200.8 MB. Free memory was 167.1 MB in the beginning and 159.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...