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_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 20:03:53,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 20:03:53,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 20:03:53,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 20:03:53,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 20:03:53,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 20:03:53,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 20:03:53,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 20:03:53,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 20:03:53,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 20:03:53,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 20:03:53,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 20:03:53,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 20:03:53,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 20:03:53,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 20:03:53,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 20:03:53,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 20:03:53,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 20:03:53,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 20:03:53,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 20:03:53,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 20:03:53,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 20:03:53,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 20:03:53,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 20:03:53,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-03 20:03:53,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-03 20:03:53,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-03 20:03:53,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-03 20:03:53,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-03 20:03:53,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-03 20:03:53,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 20:03:53,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 20:03:53,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 20:03:53,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 20:03:53,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 20:03:53,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 20:03:53,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 20:03:53,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 20:03:53,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 20:03:53,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 20:03:53,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 20:03:53,891 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 [2019-09-03 20:03:53,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 20:03:53,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 20:03:53,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 20:03:53,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 20:03:53,907 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 20:03:53,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 20:03:53,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 20:03:53,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 20:03:53,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 20:03:53,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 20:03:53,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 20:03:53,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 20:03:53,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 20:03:53,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 20:03:53,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 20:03:53,909 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 20:03:53,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 20:03:53,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 20:03:53,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 20:03:53,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 20:03:53,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 20:03:53,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 20:03:53,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 20:03:53,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 20:03:53,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 20:03:53,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 20:03:53,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 20:03:53,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 20:03:53,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-03 20:03:53,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 20:03:53,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 20:03:53,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 20:03:53,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 20:03:53,964 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 20:03:53,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2019-09-03 20:03:54,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767b4e44a/1141a94f12864cd4b839514c30e74e2c/FLAGba712c2f3 [2019-09-03 20:03:54,563 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 20:03:54,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2019-09-03 20:03:54,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767b4e44a/1141a94f12864cd4b839514c30e74e2c/FLAGba712c2f3 [2019-09-03 20:03:54,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767b4e44a/1141a94f12864cd4b839514c30e74e2c [2019-09-03 20:03:54,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 20:03:54,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 20:03:54,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 20:03:54,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 20:03:54,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 20:03:54,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:03:54" (1/1) ... [2019-09-03 20:03:54,889 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 03.09 08:03:54, skipping insertion in model container [2019-09-03 20:03:54,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:03:54" (1/1) ... [2019-09-03 20:03:54,897 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 20:03:54,948 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 20:03:55,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:03:55,380 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 20:03:55,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:03:55,522 INFO L192 MainTranslator]: Completed translation [2019-09-03 20:03:55,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55 WrapperNode [2019-09-03 20:03:55,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 20:03:55,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 20:03:55,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 20:03:55,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 20:03:55,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (1/1) ... [2019-09-03 20:03:55,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (1/1) ... [2019-09-03 20:03:55,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (1/1) ... [2019-09-03 20:03:55,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (1/1) ... [2019-09-03 20:03:55,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (1/1) ... [2019-09-03 20:03:55,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (1/1) ... [2019-09-03 20:03:55,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (1/1) ... [2019-09-03 20:03:55,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 20:03:55,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 20:03:55,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 20:03:55,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 20:03:55,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (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 [2019-09-03 20:03:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 20:03:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 20:03:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-09-03 20:03:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2019-09-03 20:03:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2019-09-03 20:03:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2019-09-03 20:03:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2019-09-03 20:03:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2019-09-03 20:03:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2019-09-03 20:03:55,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2019-09-03 20:03:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 20:03:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 20:03:55,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 20:03:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 20:03:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-03 20:03:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-09-03 20:03:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-03 20:03:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-03 20:03:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2019-09-03 20:03:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2019-09-03 20:03:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2019-09-03 20:03:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2019-09-03 20:03:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-03 20:03:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2019-09-03 20:03:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2019-09-03 20:03:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-03 20:03:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 20:03:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 20:03:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-03 20:03:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-03 20:03:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-03 20:03:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-03 20:03:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-03 20:03:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 20:03:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-03 20:03:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-03 20:03:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 20:03:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-03 20:03:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 20:03:56,728 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 20:03:56,728 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-03 20:03:56,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:03:56 BoogieIcfgContainer [2019-09-03 20:03:56,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 20:03:56,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 20:03:56,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 20:03:56,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 20:03:56,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 08:03:54" (1/3) ... [2019-09-03 20:03:56,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6f668d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:03:56, skipping insertion in model container [2019-09-03 20:03:56,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:03:55" (2/3) ... [2019-09-03 20:03:56,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6f668d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:03:56, skipping insertion in model container [2019-09-03 20:03:56,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:03:56" (3/3) ... [2019-09-03 20:03:56,739 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2019-09-03 20:03:56,747 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 20:03:56,754 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 20:03:56,771 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 20:03:56,800 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-03 20:03:56,800 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 20:03:56,800 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-03 20:03:56,801 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 20:03:56,801 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 20:03:56,801 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 20:03:56,801 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 20:03:56,801 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 20:03:56,801 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 20:03:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-09-03 20:03:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-03 20:03:56,833 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:03:56,834 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, 1] [2019-09-03 20:03:56,836 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:03:56,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:03:56,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1024985055, now seen corresponding path program 1 times [2019-09-03 20:03:56,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 20:03:56,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 20:03:56,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:03:56,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:03:56,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:03:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:03:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 20:03:57,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 20:03:57,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-03 20:03:57,181 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-03 20:03:57,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-03 20:03:57,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-03 20:03:57,194 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-09-03 20:03:57,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 20:03:57,257 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2019-09-03 20:03:57,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-03 20:03:57,258 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2019-09-03 20:03:57,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 20:03:57,270 INFO L225 Difference]: With dead ends: 241 [2019-09-03 20:03:57,270 INFO L226 Difference]: Without dead ends: 119 [2019-09-03 20:03:57,276 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 [2019-09-03 20:03:57,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-03 20:03:57,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-03 20:03:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-03 20:03:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2019-09-03 20:03:57,324 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2019-09-03 20:03:57,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 20:03:57,324 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2019-09-03 20:03:57,325 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-03 20:03:57,325 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2019-09-03 20:03:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-03 20:03:57,329 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:03:57,329 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, 1] [2019-09-03 20:03:57,330 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:03:57,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:03:57,330 INFO L82 PathProgramCache]: Analyzing trace with hash 29519587, now seen corresponding path program 1 times [2019-09-03 20:03:57,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 20:03:57,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 20:03:57,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:03:57,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:03:57,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:03:57,380 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-03 20:03:57,381 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-03 20:03:57,381 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) [2019-09-03 20:03:57,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-03 20:03:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:03:57,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-03 20:03:57,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-03 20:03:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 20:03:57,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 20:03:57,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-03 20:03:57,601 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-03 20:03:57,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-03 20:03:57,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-03 20:03:57,602 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand 4 states. [2019-09-03 20:03:57,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 20:03:57,658 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2019-09-03 20:03:57,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-03 20:03:57,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2019-09-03 20:03:57,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 20:03:57,660 INFO L225 Difference]: With dead ends: 119 [2019-09-03 20:03:57,660 INFO L226 Difference]: Without dead ends: 0 [2019-09-03 20:03:57,667 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-03 20:03:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-03 20:03:57,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-03 20:03:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-03 20:03:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-03 20:03:57,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-09-03 20:03:57,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 20:03:57,670 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-03 20:03:57,670 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-03 20:03:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-03 20:03:57,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-03 20:03:57,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-03 20:03:57,755 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-09-03 20:03:57,756 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 264) no Hoare annotation was computed. [2019-09-03 20:03:57,756 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_92EXIT(lines 244 274) no Hoare annotation was computed. [2019-09-03 20:03:57,756 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_92FINAL(lines 244 274) no Hoare annotation was computed. [2019-09-03 20:03:57,756 INFO L446 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2019-09-03 20:03:57,756 INFO L443 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2019-09-03 20:03:57,757 INFO L446 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2019-09-03 20:03:57,757 INFO L443 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2019-09-03 20:03:57,757 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 245 274) no Hoare annotation was computed. [2019-09-03 20:03:57,757 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 272) no Hoare annotation was computed. [2019-09-03 20:03:57,757 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_92ENTRY(lines 244 274) the Hoare annotation is: true [2019-09-03 20:03:57,758 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-03 20:03:57,758 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-03 20:03:57,758 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-03 20:03:57,758 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_100FINAL(lines 415 421) no Hoare annotation was computed. [2019-09-03 20:03:57,758 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_100EXIT(lines 415 421) no Hoare annotation was computed. [2019-09-03 20:03:57,758 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_100ENTRY(lines 415 421) the Hoare annotation is: true [2019-09-03 20:03:57,758 INFO L446 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2019-09-03 20:03:57,759 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-09-03 20:03:57,759 INFO L443 ceAbstractionStarter]: For program point L403-2(lines 403 410) no Hoare annotation was computed. [2019-09-03 20:03:57,759 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_99ENTRY(lines 395 414) the Hoare annotation is: true [2019-09-03 20:03:57,759 INFO L443 ceAbstractionStarter]: For program point L401-2(lines 401 411) no Hoare annotation was computed. [2019-09-03 20:03:57,759 INFO L446 ceAbstractionStarter]: At program point L401-3(lines 401 411) the Hoare annotation is: true [2019-09-03 20:03:57,759 INFO L446 ceAbstractionStarter]: At program point L401-4(lines 401 411) the Hoare annotation is: true [2019-09-03 20:03:57,760 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_99EXIT(lines 395 414) no Hoare annotation was computed. [2019-09-03 20:03:57,760 INFO L443 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2019-09-03 20:03:57,760 INFO L446 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2019-09-03 20:03:57,760 INFO L443 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2019-09-03 20:03:57,760 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_99FINAL(lines 395 414) no Hoare annotation was computed. [2019-09-03 20:03:57,760 INFO L443 ceAbstractionStarter]: For program point L229-5(lines 229 241) no Hoare annotation was computed. [2019-09-03 20:03:57,760 INFO L443 ceAbstractionStarter]: For program point L221-1(lines 221 228) no Hoare annotation was computed. [2019-09-03 20:03:57,761 INFO L446 ceAbstractionStarter]: At program point L221-3(lines 221 228) the Hoare annotation is: true [2019-09-03 20:03:57,761 INFO L443 ceAbstractionStarter]: For program point L221-4(lines 221 228) no Hoare annotation was computed. [2019-09-03 20:03:57,761 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-09-03 20:03:57,761 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-09-03 20:03:57,763 INFO L443 ceAbstractionStarter]: For program point L209-2(line 209) no Hoare annotation was computed. [2019-09-03 20:03:57,763 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_89ENTRY(lines 188 243) the Hoare annotation is: true [2019-09-03 20:03:57,763 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_89EXIT(lines 188 243) no Hoare annotation was computed. [2019-09-03 20:03:57,764 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2019-09-03 20:03:57,764 INFO L443 ceAbstractionStarter]: For program point L197-2(lines 197 203) no Hoare annotation was computed. [2019-09-03 20:03:57,764 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 196) no Hoare annotation was computed. [2019-09-03 20:03:57,764 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-09-03 20:03:57,764 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-09-03 20:03:57,764 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-09-03 20:03:57,765 INFO L443 ceAbstractionStarter]: For program point L206-2(line 206) no Hoare annotation was computed. [2019-09-03 20:03:57,765 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 236) no Hoare annotation was computed. [2019-09-03 20:03:57,765 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_89FINAL(lines 188 243) no Hoare annotation was computed. [2019-09-03 20:03:57,765 INFO L443 ceAbstractionStarter]: For program point L231-1(lines 229 241) no Hoare annotation was computed. [2019-09-03 20:03:57,765 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-09-03 20:03:57,765 INFO L443 ceAbstractionStarter]: For program point L215-2(line 215) no Hoare annotation was computed. [2019-09-03 20:03:57,765 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-09-03 20:03:57,766 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 202) no Hoare annotation was computed. [2019-09-03 20:03:57,766 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2019-09-03 20:03:57,766 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-09-03 20:03:57,766 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-09-03 20:03:57,766 INFO L443 ceAbstractionStarter]: For program point L212-2(line 212) no Hoare annotation was computed. [2019-09-03 20:03:57,766 INFO L446 ceAbstractionStarter]: At program point L204(lines 204 220) the Hoare annotation is: true [2019-09-03 20:03:57,766 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-09-03 20:03:57,767 INFO L443 ceAbstractionStarter]: For program point L229-2(line 229) no Hoare annotation was computed. [2019-09-03 20:03:57,767 INFO L443 ceAbstractionStarter]: For program point L229-3(line 229) no Hoare annotation was computed. [2019-09-03 20:03:57,767 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-03 20:03:57,767 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-03 20:03:57,767 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-03 20:03:57,767 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-03 20:03:57,767 INFO L443 ceAbstractionStarter]: For program point L447(lines 447 450) no Hoare annotation was computed. [2019-09-03 20:03:57,767 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 422 453) the Hoare annotation is: true [2019-09-03 20:03:57,768 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 422 453) no Hoare annotation was computed. [2019-09-03 20:03:57,768 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 422 453) no Hoare annotation was computed. [2019-09-03 20:03:57,768 INFO L446 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2019-09-03 20:03:57,768 INFO L443 ceAbstractionStarter]: For program point L353-2(lines 353 391) no Hoare annotation was computed. [2019-09-03 20:03:57,768 INFO L446 ceAbstractionStarter]: At program point L353-3(lines 353 391) the Hoare annotation is: true [2019-09-03 20:03:57,768 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_97ENTRY(lines 326 394) the Hoare annotation is: true [2019-09-03 20:03:57,769 INFO L446 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: true [2019-09-03 20:03:57,769 INFO L443 ceAbstractionStarter]: For program point L366-1(lines 366 369) no Hoare annotation was computed. [2019-09-03 20:03:57,769 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_97EXIT(lines 326 394) no Hoare annotation was computed. [2019-09-03 20:03:57,769 INFO L446 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2019-09-03 20:03:57,769 INFO L443 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2019-09-03 20:03:57,769 INFO L443 ceAbstractionStarter]: For program point L371-2(lines 371 388) no Hoare annotation was computed. [2019-09-03 20:03:57,769 INFO L446 ceAbstractionStarter]: At program point L371-3(lines 371 388) the Hoare annotation is: true [2019-09-03 20:03:57,770 INFO L443 ceAbstractionStarter]: For program point L371-4(lines 371 388) no Hoare annotation was computed. [2019-09-03 20:03:57,770 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_97FINAL(lines 326 394) no Hoare annotation was computed. [2019-09-03 20:03:57,770 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 387) no Hoare annotation was computed. [2019-09-03 20:03:57,770 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 392) no Hoare annotation was computed. [2019-09-03 20:03:57,770 INFO L443 ceAbstractionStarter]: For program point L347-2(lines 347 350) no Hoare annotation was computed. [2019-09-03 20:03:57,771 INFO L446 ceAbstractionStarter]: At program point L347-3(lines 347 350) the Hoare annotation is: true [2019-09-03 20:03:57,771 INFO L443 ceAbstractionStarter]: For program point L347-4(lines 327 394) no Hoare annotation was computed. [2019-09-03 20:03:57,771 INFO L446 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2019-09-03 20:03:57,771 INFO L443 ceAbstractionStarter]: For program point L360-1(lines 360 363) no Hoare annotation was computed. [2019-09-03 20:03:57,772 INFO L446 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: true [2019-09-03 20:03:57,772 INFO L443 ceAbstractionStarter]: For program point L356-1(lines 356 359) no Hoare annotation was computed. [2019-09-03 20:03:57,772 INFO L446 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2019-09-03 20:03:57,772 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 376) no Hoare annotation was computed. [2019-09-03 20:03:57,772 INFO L443 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2019-09-03 20:03:57,772 INFO L443 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2019-09-03 20:03:57,773 INFO L446 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2019-09-03 20:03:57,773 INFO L443 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2019-09-03 20:03:57,773 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 454 461) the Hoare annotation is: true [2019-09-03 20:03:57,773 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2019-09-03 20:03:57,773 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-03 20:03:57,773 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 454 461) no Hoare annotation was computed. [2019-09-03 20:03:57,774 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 459) no Hoare annotation was computed. [2019-09-03 20:03:57,774 INFO L443 ceAbstractionStarter]: For program point L456-2(lines 454 461) no Hoare annotation was computed. [2019-09-03 20:03:57,774 INFO L446 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2019-09-03 20:03:57,774 INFO L443 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2019-09-03 20:03:57,775 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 290) no Hoare annotation was computed. [2019-09-03 20:03:57,775 INFO L443 ceAbstractionStarter]: For program point L283-2(lines 283 290) no Hoare annotation was computed. [2019-09-03 20:03:57,776 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 282) no Hoare annotation was computed. [2019-09-03 20:03:57,777 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_95ENTRY(lines 275 294) the Hoare annotation is: true [2019-09-03 20:03:57,777 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_95EXIT(lines 275 294) no Hoare annotation was computed. [2019-09-03 20:03:57,777 INFO L446 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2019-09-03 20:03:57,777 INFO L446 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: true [2019-09-03 20:03:57,777 INFO L443 ceAbstractionStarter]: For program point L292-1(line 292) no Hoare annotation was computed. [2019-09-03 20:03:57,778 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-09-03 20:03:57,778 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_95FINAL(lines 275 294) no Hoare annotation was computed. [2019-09-03 20:03:57,778 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 309) no Hoare annotation was computed. [2019-09-03 20:03:57,778 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_96FINAL(lines 295 325) no Hoare annotation was computed. [2019-09-03 20:03:57,778 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 318) no Hoare annotation was computed. [2019-09-03 20:03:57,778 INFO L443 ceAbstractionStarter]: For program point L313-1(lines 311 323) no Hoare annotation was computed. [2019-09-03 20:03:57,779 INFO L443 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2019-09-03 20:03:57,779 INFO L443 ceAbstractionStarter]: For program point L311-2(line 311) no Hoare annotation was computed. [2019-09-03 20:03:57,784 INFO L443 ceAbstractionStarter]: For program point L311-3(line 311) no Hoare annotation was computed. [2019-09-03 20:03:57,784 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_96ENTRY(lines 295 325) the Hoare annotation is: true [2019-09-03 20:03:57,785 INFO L443 ceAbstractionStarter]: For program point L311-5(lines 311 323) no Hoare annotation was computed. [2019-09-03 20:03:57,785 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_96EXIT(lines 295 325) no Hoare annotation was computed. [2019-09-03 20:03:57,785 INFO L443 ceAbstractionStarter]: For program point L303-1(lines 303 310) no Hoare annotation was computed. [2019-09-03 20:03:57,785 INFO L446 ceAbstractionStarter]: At program point L303-3(lines 303 310) the Hoare annotation is: true [2019-09-03 20:03:57,785 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 302) no Hoare annotation was computed. [2019-09-03 20:03:57,793 INFO L443 ceAbstractionStarter]: For program point L303-4(lines 303 310) no Hoare annotation was computed. [2019-09-03 20:03:57,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 08:03:57 BoogieIcfgContainer [2019-09-03 20:03:57,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 20:03:57,816 INFO L168 Benchmark]: Toolchain (without parser) took 2933.50 ms. Allocated memory was 142.1 MB in the beginning and 229.6 MB in the end (delta: 87.6 MB). Free memory was 87.6 MB in the beginning and 137.8 MB in the end (delta: -50.2 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-09-03 20:03:57,817 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 142.1 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 20:03:57,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.58 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 87.4 MB in the beginning and 168.8 MB in the end (delta: -81.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-03 20:03:57,818 INFO L168 Benchmark]: Boogie Preprocessor took 116.58 ms. Allocated memory is still 200.3 MB. Free memory was 168.8 MB in the beginning and 164.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-03 20:03:57,819 INFO L168 Benchmark]: RCFGBuilder took 1091.43 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 106.4 MB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. [2019-09-03 20:03:57,820 INFO L168 Benchmark]: TraceAbstraction took 1080.25 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 106.4 MB in the beginning and 137.8 MB in the end (delta: -31.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 20:03:57,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 142.1 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.58 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 87.4 MB in the beginning and 168.8 MB in the end (delta: -81.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.58 ms. Allocated memory is still 200.3 MB. Free memory was 168.8 MB in the beginning and 164.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1091.43 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 106.4 MB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1080.25 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 106.4 MB in the beginning and 137.8 MB in the end (delta: -31.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 128 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 335 SDtfs, 5 SDslu, 317 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 2 NumberOfNonLiveVariables, 532 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...