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-crafted-1/Mono1_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:43:43,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:43:43,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:43:43,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:43:43,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:43:43,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:43:43,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:43:43,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:43:43,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:43:43,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:43:43,072 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:43:43,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:43:43,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:43:43,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:43:43,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:43:43,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:43:43,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:43:43,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:43:43,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:43:43,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:43:43,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:43:43,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:43:43,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:43:43,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:43:43,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:43:43,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:43:43,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:43:43,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:43:43,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:43:43,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:43:43,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:43:43,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:43:43,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:43:43,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:43:43,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:43:43,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:43:43,113 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 [2019-08-14 20:43:43,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:43:43,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:43:43,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:43:43,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:43:43,128 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:43:43,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:43:43,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:43:43,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:43:43,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:43:43,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:43:43,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:43:43,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:43:43,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:43:43,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:43:43,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:43:43,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:43:43,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:43:43,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:43:43,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:43:43,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:43:43,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:43:43,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:43:43,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:43:43,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:43:43,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:43:43,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:43:43,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:43:43,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:43:43,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:43:43,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:43:43,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:43:43,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:43:43,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:43:43,179 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:43:43,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/Mono1_1-1.c [2019-08-14 20:43:43,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c29d4ee2/ad05e45502a743c4a02dffc84d57ba75/FLAGd06cf2a9b [2019-08-14 20:43:43,685 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:43:43,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/Mono1_1-1.c [2019-08-14 20:43:43,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c29d4ee2/ad05e45502a743c4a02dffc84d57ba75/FLAGd06cf2a9b [2019-08-14 20:43:44,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c29d4ee2/ad05e45502a743c4a02dffc84d57ba75 [2019-08-14 20:43:44,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:43:44,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:43:44,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:43:44,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:43:44,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:43:44,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511c40f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44, skipping insertion in model container [2019-08-14 20:43:44,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:43:44,159 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:43:44,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:43:44,339 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:43:44,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:43:44,372 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:43:44,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44 WrapperNode [2019-08-14 20:43:44,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:43:44,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:43:44,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:43:44,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:43:44,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:43:44,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:43:44,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:43:44,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:43:44,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:44" (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 [2019-08-14 20:43:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:43:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:43:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:43:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:43:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:43:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:43:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:43:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:43:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:43:44,706 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:43:44,706 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 20:43:44,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:43:44 BoogieIcfgContainer [2019-08-14 20:43:44,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:43:44,708 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:43:44,708 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:43:44,708 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:43:44,709 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:43:44" (1/1) ... [2019-08-14 20:43:44,862 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:43:44,865 INFO L168 Benchmark]: Toolchain (without parser) took 742.36 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 87.8 MB in the beginning and 159.9 MB in the end (delta: -72.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 20:43:44,866 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:43:44,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.25 ms. Allocated memory is still 139.5 MB. Free memory was 87.4 MB in the beginning and 78.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:44,868 INFO L168 Benchmark]: Boogie Preprocessor took 123.55 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 78.5 MB in the beginning and 177.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:44,869 INFO L168 Benchmark]: RCFGBuilder took 209.71 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 166.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:44,870 INFO L168 Benchmark]: Symbolic Interpretation took 154.30 ms. Allocated memory is still 199.2 MB. Free memory was 166.0 MB in the beginning and 159.9 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:44,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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 53#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.25 ms. Allocated memory is still 139.5 MB. Free memory was 87.4 MB in the beginning and 78.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.55 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 78.5 MB in the beginning and 177.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.71 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 166.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 154.30 ms. Allocated memory is still 199.2 MB. Free memory was 166.0 MB in the beginning and 159.9 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...