java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 03:09:56,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 03:09:56,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 03:09:56,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 03:09:56,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 03:09:56,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 03:09:56,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 03:09:56,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 03:09:56,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 03:09:56,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 03:09:56,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 03:09:56,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 03:09:56,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 03:09:56,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 03:09:56,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 03:09:56,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 03:09:56,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 03:09:56,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 03:09:56,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 03:09:56,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 03:09:56,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 03:09:56,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 03:09:56,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 03:09:56,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 03:09:56,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 03:09:56,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 03:09:56,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 03:09:56,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 03:09:56,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 03:09:56,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 03:09:56,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 03:09:56,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 03:09:56,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 03:09:56,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 03:09:56,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 03:09:56,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 03:09:56,062 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 [2019-09-08 03:09:56,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 03:09:56,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 03:09:56,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 03:09:56,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 03:09:56,080 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 03:09:56,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 03:09:56,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 03:09:56,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 03:09:56,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 03:09:56,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 03:09:56,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 03:09:56,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 03:09:56,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 03:09:56,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 03:09:56,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 03:09:56,083 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 03:09:56,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 03:09:56,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 03:09:56,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 03:09:56,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 03:09:56,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 03:09:56,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 03:09:56,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 03:09:56,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 03:09:56,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 03:09:56,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 03:09:56,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 03:09:56,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 03:09:56,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 03:09:56,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 03:09:56,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 03:09:56,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 03:09:56,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 03:09:56,161 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 03:09:56,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2019-09-08 03:09:56,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57904082/8320372dec4d4e09bd8ec6f17ab0010b/FLAG980383757 [2019-09-08 03:09:56,714 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 03:09:56,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2019-09-08 03:09:56,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57904082/8320372dec4d4e09bd8ec6f17ab0010b/FLAG980383757 [2019-09-08 03:09:57,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57904082/8320372dec4d4e09bd8ec6f17ab0010b [2019-09-08 03:09:57,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 03:09:57,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 03:09:57,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 03:09:57,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 03:09:57,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 03:09:57,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cccf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57, skipping insertion in model container [2019-09-08 03:09:57,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,060 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 03:09:57,114 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 03:09:57,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 03:09:57,668 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 03:09:57,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 03:09:57,819 INFO L192 MainTranslator]: Completed translation [2019-09-08 03:09:57,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57 WrapperNode [2019-09-08 03:09:57,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 03:09:57,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 03:09:57,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 03:09:57,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 03:09:57,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (1/1) ... [2019-09-08 03:09:57,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 03:09:57,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 03:09:57,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 03:09:57,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 03:09:57,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (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 [2019-09-08 03:09:57,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 03:09:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 03:09:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-09-08 03:09:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2019-09-08 03:09:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2019-09-08 03:09:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2019-09-08 03:09:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2019-09-08 03:09:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2019-09-08 03:09:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2019-09-08 03:09:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2019-09-08 03:09:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 03:09:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-08 03:09:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 03:09:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 03:09:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-08 03:09:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-09-08 03:09:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-08 03:09:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2019-09-08 03:09:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2019-09-08 03:09:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2019-09-08 03:09:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2019-09-08 03:09:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2019-09-08 03:09:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 03:09:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2019-09-08 03:09:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2019-09-08 03:09:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-08 03:09:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 03:09:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 03:09:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 03:09:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 03:09:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 03:09:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 03:09:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 03:09:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 03:09:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 03:09:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 03:09:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 03:09:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 03:09:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 03:09:58,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 03:09:58,788 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-08 03:09:58,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:09:58 BoogieIcfgContainer [2019-09-08 03:09:58,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 03:09:58,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 03:09:58,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 03:09:58,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 03:09:58,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 03:09:57" (1/3) ... [2019-09-08 03:09:58,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708d408b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:09:58, skipping insertion in model container [2019-09-08 03:09:58,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:57" (2/3) ... [2019-09-08 03:09:58,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708d408b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:09:58, skipping insertion in model container [2019-09-08 03:09:58,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:09:58" (3/3) ... [2019-09-08 03:09:58,797 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2019-09-08 03:09:58,807 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 03:09:58,816 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 03:09:58,834 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 03:09:58,867 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 03:09:58,868 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 03:09:58,868 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 03:09:58,868 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 03:09:58,869 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 03:09:58,869 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 03:09:58,869 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 03:09:58,869 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 03:09:58,869 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 03:09:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2019-09-08 03:09:58,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-08 03:09:58,899 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 03:09:58,900 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 03:09:58,902 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 03:09:58,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 03:09:58,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1195136075, now seen corresponding path program 1 times [2019-09-08 03:09:58,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 03:09:58,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 03:09:58,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 03:09:58,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 03:09:58,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 03:09:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 03:09:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 03:09:59,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 03:09:59,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 03:09:59,236 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 03:09:59,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 03:09:59,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 03:09:59,253 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2019-09-08 03:09:59,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 03:09:59,295 INFO L93 Difference]: Finished difference Result 239 states and 359 transitions. [2019-09-08 03:09:59,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 03:09:59,296 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 38 [2019-09-08 03:09:59,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 03:09:59,309 INFO L225 Difference]: With dead ends: 239 [2019-09-08 03:09:59,309 INFO L226 Difference]: Without dead ends: 118 [2019-09-08 03:09:59,314 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 03:09:59,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-09-08 03:09:59,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-09-08 03:09:59,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-09-08 03:09:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2019-09-08 03:09:59,394 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2019-09-08 03:09:59,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 03:09:59,394 INFO L475 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2019-09-08 03:09:59,394 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 03:09:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2019-09-08 03:09:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-08 03:09:59,398 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 03:09:59,398 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 03:09:59,398 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 03:09:59,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 03:09:59,399 INFO L82 PathProgramCache]: Analyzing trace with hash 579871287, now seen corresponding path program 1 times [2019-09-08 03:09:59,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 03:09:59,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 03:09:59,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 03:09:59,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 03:09:59,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 03:09:59,444 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 03:09:59,444 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 03:09:59,444 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-09-08 03:09:59,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 03:09:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 03:09:59,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 03:09:59,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 03:09:59,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,736 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 03:09:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 03:09:59,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 03:09:59,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 03:09:59,776 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 03:09:59,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 03:09:59,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 03:09:59,777 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2019-09-08 03:09:59,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 03:09:59,846 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2019-09-08 03:09:59,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 03:09:59,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2019-09-08 03:09:59,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 03:09:59,848 INFO L225 Difference]: With dead ends: 118 [2019-09-08 03:09:59,848 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 03:09:59,850 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 03:09:59,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 03:09:59,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 03:09:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 03:09:59,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 03:09:59,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2019-09-08 03:09:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 03:09:59,855 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 03:09:59,855 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 03:09:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 03:09:59,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 03:09:59,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 03:09:59,939 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_113EXIT(lines 300 319) no Hoare annotation was computed. [2019-09-08 03:09:59,940 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_113ENTRY(lines 300 319) the Hoare annotation is: true [2019-09-08 03:09:59,940 INFO L446 ceAbstractionStarter]: At program point L317(line 317) the Hoare annotation is: true [2019-09-08 03:09:59,940 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_113FINAL(lines 300 319) no Hoare annotation was computed. [2019-09-08 03:09:59,940 INFO L446 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2019-09-08 03:09:59,940 INFO L443 ceAbstractionStarter]: For program point L317-1(line 317) no Hoare annotation was computed. [2019-09-08 03:09:59,940 INFO L443 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2019-09-08 03:09:59,941 INFO L446 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: true [2019-09-08 03:09:59,941 INFO L443 ceAbstractionStarter]: For program point L310-1(line 310) no Hoare annotation was computed. [2019-09-08 03:09:59,941 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-09-08 03:09:59,941 INFO L443 ceAbstractionStarter]: For program point L308-2(lines 308 315) no Hoare annotation was computed. [2019-09-08 03:09:59,941 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 307) no Hoare annotation was computed. [2019-09-08 03:09:59,941 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_115ENTRY(lines 351 419) the Hoare annotation is: true [2019-09-08 03:09:59,941 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_115FINAL(lines 351 419) no Hoare annotation was computed. [2019-09-08 03:09:59,942 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 416) no Hoare annotation was computed. [2019-09-08 03:09:59,942 INFO L446 ceAbstractionStarter]: At program point L378-3(lines 378 416) the Hoare annotation is: true [2019-09-08 03:09:59,942 INFO L446 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2019-09-08 03:09:59,942 INFO L443 ceAbstractionStarter]: For program point L391-1(lines 391 394) no Hoare annotation was computed. [2019-09-08 03:09:59,944 INFO L446 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: true [2019-09-08 03:09:59,944 INFO L443 ceAbstractionStarter]: For program point L408-1(line 408) no Hoare annotation was computed. [2019-09-08 03:09:59,944 INFO L443 ceAbstractionStarter]: For program point L396-2(lines 396 413) no Hoare annotation was computed. [2019-09-08 03:09:59,944 INFO L446 ceAbstractionStarter]: At program point L396-3(lines 396 413) the Hoare annotation is: true [2019-09-08 03:09:59,944 INFO L443 ceAbstractionStarter]: For program point L396-4(lines 396 413) no Hoare annotation was computed. [2019-09-08 03:09:59,944 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 412) no Hoare annotation was computed. [2019-09-08 03:09:59,944 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 417) no Hoare annotation was computed. [2019-09-08 03:09:59,945 INFO L443 ceAbstractionStarter]: For program point L372-2(lines 372 375) no Hoare annotation was computed. [2019-09-08 03:09:59,945 INFO L446 ceAbstractionStarter]: At program point L372-3(lines 372 375) the Hoare annotation is: true [2019-09-08 03:09:59,945 INFO L443 ceAbstractionStarter]: For program point L372-4(lines 352 419) no Hoare annotation was computed. [2019-09-08 03:09:59,945 INFO L446 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: true [2019-09-08 03:09:59,946 INFO L443 ceAbstractionStarter]: For program point L385-1(lines 385 388) no Hoare annotation was computed. [2019-09-08 03:09:59,946 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_115EXIT(lines 351 419) no Hoare annotation was computed. [2019-09-08 03:09:59,946 INFO L446 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2019-09-08 03:09:59,946 INFO L443 ceAbstractionStarter]: For program point L381-1(lines 381 384) no Hoare annotation was computed. [2019-09-08 03:09:59,946 INFO L446 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: true [2019-09-08 03:09:59,946 INFO L443 ceAbstractionStarter]: For program point L398-1(lines 398 401) no Hoare annotation was computed. [2019-09-08 03:09:59,946 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 03:09:59,946 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-08 03:09:59,947 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 03:09:59,947 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_114EXIT(lines 320 350) no Hoare annotation was computed. [2019-09-08 03:09:59,947 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 334) no Hoare annotation was computed. [2019-09-08 03:09:59,948 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_114ENTRY(lines 320 350) the Hoare annotation is: true [2019-09-08 03:09:59,948 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_114FINAL(lines 320 350) no Hoare annotation was computed. [2019-09-08 03:09:59,948 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 343) no Hoare annotation was computed. [2019-09-08 03:09:59,948 INFO L443 ceAbstractionStarter]: For program point L338-1(lines 336 348) no Hoare annotation was computed. [2019-09-08 03:09:59,948 INFO L443 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2019-09-08 03:09:59,948 INFO L443 ceAbstractionStarter]: For program point L336-2(line 336) no Hoare annotation was computed. [2019-09-08 03:09:59,948 INFO L443 ceAbstractionStarter]: For program point L336-3(line 336) no Hoare annotation was computed. [2019-09-08 03:09:59,949 INFO L443 ceAbstractionStarter]: For program point L336-5(lines 336 348) no Hoare annotation was computed. [2019-09-08 03:09:59,949 INFO L443 ceAbstractionStarter]: For program point L328-1(lines 328 335) no Hoare annotation was computed. [2019-09-08 03:09:59,949 INFO L446 ceAbstractionStarter]: At program point L328-3(lines 328 335) the Hoare annotation is: true [2019-09-08 03:09:59,949 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 327) no Hoare annotation was computed. [2019-09-08 03:09:59,949 INFO L443 ceAbstractionStarter]: For program point L328-4(lines 328 335) no Hoare annotation was computed. [2019-09-08 03:09:59,949 INFO L443 ceAbstractionStarter]: For program point L290-1(lines 270 299) no Hoare annotation was computed. [2019-09-08 03:09:59,950 INFO L443 ceAbstractionStarter]: For program point L290-2(lines 290 297) no Hoare annotation was computed. [2019-09-08 03:09:59,950 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_110FINAL(lines 269 299) no Hoare annotation was computed. [2019-09-08 03:09:59,950 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_110EXIT(lines 269 299) no Hoare annotation was computed. [2019-09-08 03:09:59,950 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 289) no Hoare annotation was computed. [2019-09-08 03:09:59,950 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_110ENTRY(lines 269 299) the Hoare annotation is: true [2019-09-08 03:09:59,950 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 289) no Hoare annotation was computed. [2019-09-08 03:09:59,950 INFO L443 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-09-08 03:09:59,950 INFO L446 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2019-09-08 03:09:59,951 INFO L446 ceAbstractionStarter]: At program point L292-1(line 292) the Hoare annotation is: true [2019-09-08 03:09:59,951 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 03:09:59,951 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-08 03:09:59,951 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 03:09:59,951 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 03:09:59,951 INFO L446 ceAbstractionStarter]: At program point L478(line 478) the Hoare annotation is: true [2019-09-08 03:09:59,951 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 447 479) the Hoare annotation is: true [2019-09-08 03:09:59,951 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 447 479) no Hoare annotation was computed. [2019-09-08 03:09:59,952 INFO L443 ceAbstractionStarter]: For program point L473(lines 473 476) no Hoare annotation was computed. [2019-09-08 03:09:59,952 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 447 479) no Hoare annotation was computed. [2019-09-08 03:09:59,952 INFO L443 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2019-09-08 03:09:59,952 INFO L443 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2019-09-08 03:09:59,952 INFO L446 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2019-09-08 03:09:59,953 INFO L443 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2019-09-08 03:09:59,953 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2019-09-08 03:09:59,953 INFO L443 ceAbstractionStarter]: For program point L482-2(lines 480 487) no Hoare annotation was computed. [2019-09-08 03:09:59,953 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 480 487) the Hoare annotation is: true [2019-09-08 03:09:59,953 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 480 487) no Hoare annotation was computed. [2019-09-08 03:09:59,954 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-09-08 03:09:59,954 INFO L443 ceAbstractionStarter]: For program point L482(lines 482 485) no Hoare annotation was computed. [2019-09-08 03:09:59,954 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_117ENTRY(lines 420 439) the Hoare annotation is: true [2019-09-08 03:09:59,954 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_117FINAL(lines 420 439) no Hoare annotation was computed. [2019-09-08 03:09:59,954 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-09-08 03:09:59,954 INFO L443 ceAbstractionStarter]: For program point L428-2(lines 428 435) no Hoare annotation was computed. [2019-09-08 03:09:59,954 INFO L443 ceAbstractionStarter]: For program point L426-2(lines 426 436) no Hoare annotation was computed. [2019-09-08 03:09:59,954 INFO L446 ceAbstractionStarter]: At program point L426-3(lines 426 436) the Hoare annotation is: true [2019-09-08 03:09:59,955 INFO L446 ceAbstractionStarter]: At program point L426-4(lines 426 436) the Hoare annotation is: true [2019-09-08 03:09:59,955 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-09-08 03:09:59,958 INFO L446 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: true [2019-09-08 03:09:59,958 INFO L443 ceAbstractionStarter]: For program point L425-1(line 425) no Hoare annotation was computed. [2019-09-08 03:09:59,958 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_117EXIT(lines 420 439) no Hoare annotation was computed. [2019-09-08 03:09:59,959 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_118ENTRY(lines 440 446) the Hoare annotation is: true [2019-09-08 03:09:59,959 INFO L446 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2019-09-08 03:09:59,959 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_118FINAL(lines 440 446) no Hoare annotation was computed. [2019-09-08 03:09:59,959 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_118EXIT(lines 440 446) no Hoare annotation was computed. [2019-09-08 03:09:59,959 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_107ENTRY(lines 213 268) the Hoare annotation is: true [2019-09-08 03:09:59,966 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-09-08 03:09:59,966 INFO L443 ceAbstractionStarter]: For program point L254-2(line 254) no Hoare annotation was computed. [2019-09-08 03:09:59,966 INFO L443 ceAbstractionStarter]: For program point L254-3(line 254) no Hoare annotation was computed. [2019-09-08 03:09:59,966 INFO L443 ceAbstractionStarter]: For program point L254-5(lines 254 266) no Hoare annotation was computed. [2019-09-08 03:09:59,967 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_107FINAL(lines 213 268) no Hoare annotation was computed. [2019-09-08 03:09:59,967 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 246 253) no Hoare annotation was computed. [2019-09-08 03:09:59,967 INFO L446 ceAbstractionStarter]: At program point L246-3(lines 246 253) the Hoare annotation is: true [2019-09-08 03:09:59,967 INFO L443 ceAbstractionStarter]: For program point L246-4(lines 246 253) no Hoare annotation was computed. [2019-09-08 03:09:59,967 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-09-08 03:09:59,967 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-09-08 03:09:59,967 INFO L443 ceAbstractionStarter]: For program point L234-2(line 234) no Hoare annotation was computed. [2019-09-08 03:09:59,967 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-09-08 03:09:59,968 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 228) no Hoare annotation was computed. [2019-09-08 03:09:59,968 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 221) no Hoare annotation was computed. [2019-09-08 03:09:59,968 INFO L443 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2019-09-08 03:09:59,968 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-09-08 03:09:59,970 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-09-08 03:09:59,970 INFO L443 ceAbstractionStarter]: For program point L231-2(line 231) no Hoare annotation was computed. [2019-09-08 03:09:59,970 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 261) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L256-1(lines 254 266) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L240-2(line 240) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 252) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-09-08 03:09:59,971 INFO L443 ceAbstractionStarter]: For program point L237-2(line 237) no Hoare annotation was computed. [2019-09-08 03:09:59,972 INFO L446 ceAbstractionStarter]: At program point L229(lines 229 245) the Hoare annotation is: true [2019-09-08 03:09:59,972 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_107EXIT(lines 213 268) no Hoare annotation was computed. [2019-09-08 03:09:59,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 03:09:59 BoogieIcfgContainer [2019-09-08 03:09:59,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 03:09:59,989 INFO L168 Benchmark]: Toolchain (without parser) took 2943.59 ms. Allocated memory was 131.6 MB in the beginning and 221.2 MB in the end (delta: 89.7 MB). Free memory was 86.8 MB in the beginning and 120.9 MB in the end (delta: -34.1 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:59,992 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 03:09:59,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.53 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 86.6 MB in the beginning and 167.0 MB in the end (delta: -80.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:59,998 INFO L168 Benchmark]: Boogie Preprocessor took 86.31 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 163.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:59,999 INFO L168 Benchmark]: RCFGBuilder took 882.11 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 103.5 MB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 7.1 GB. [2019-09-08 03:10:00,000 INFO L168 Benchmark]: TraceAbstraction took 1195.12 ms. Allocated memory was 199.8 MB in the beginning and 221.2 MB in the end (delta: 21.5 MB). Free memory was 102.8 MB in the beginning and 120.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-08 03:10:00,011 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 775.53 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 86.6 MB in the beginning and 167.0 MB in the end (delta: -80.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.31 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 163.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 882.11 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 103.5 MB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1195.12 ms. Allocated memory was 199.8 MB in the beginning and 221.2 MB in the end (delta: 21.5 MB). Free memory was 102.8 MB in the beginning and 120.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 127 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 333 SDtfs, 5 SDslu, 315 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 76 PreInvPairs, 91 NumberOfFragments, 34 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2886 SizeOfPredicates, 2 NumberOfNonLiveVariables, 530 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...