/usr/bin/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 0.1.25-3af5e1f [2020-09-04 13:44:33,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:44:33,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:44:33,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:44:33,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:44:33,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:44:33,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:44:33,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:44:33,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:44:33,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:44:33,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:44:33,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:44:33,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:44:33,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:44:33,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:44:33,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:44:33,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:44:33,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:44:33,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:44:33,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:44:33,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:44:33,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:44:33,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:44:33,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:44:33,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:44:33,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 13:44:33,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 13:44:33,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 13:44:33,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 13:44:33,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 13:44:33,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 13:44:33,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 13:44:33,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 13:44:33,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:44:33,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:44:33,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:44:33,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:44:33,556 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:44:33,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:44:33,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:44:33,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:44:33,559 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:44:33,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:44:33,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:44:33,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:44:33,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:44:33,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:44:33,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:44:33,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:44:33,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:44:33,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:44:33,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:44:33,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:44:33,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:44:33,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:44:33,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:44:33,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:44:33,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:44:33,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:44:33,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:44:33,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:44:33,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:44:33,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:44:33,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:44:33,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:44:33,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:44:33,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:44:33,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:44:34,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:44:34,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:44:34,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:44:34,023 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:44:34,024 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2020-09-04 13:44:34,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1cedb3e57/ae1fd0bca3a34e9291bc70ece95da4ab/FLAGa2b4b9f14 [2020-09-04 13:44:34,730 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:44:34,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2020-09-04 13:44:34,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1cedb3e57/ae1fd0bca3a34e9291bc70ece95da4ab/FLAGa2b4b9f14 [2020-09-04 13:44:35,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1cedb3e57/ae1fd0bca3a34e9291bc70ece95da4ab [2020-09-04 13:44:35,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:44:35,020 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:44:35,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:44:35,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:44:35,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:44:35,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb53380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35, skipping insertion in model container [2020-09-04 13:44:35,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:44:35,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:44:35,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:44:35,569 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:44:35,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:44:35,674 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:44:35,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35 WrapperNode [2020-09-04 13:44:35,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:44:35,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:44:35,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:44:35,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:44:35,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (1/1) ... [2020-09-04 13:44:35,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:44:35,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:44:35,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:44:35,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:44:35,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:44:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:44:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:44:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-04 13:44:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-09-04 13:44:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2020-09-04 13:44:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2020-09-04 13:44:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2020-09-04 13:44:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2020-09-04 13:44:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2020-09-04 13:44:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2020-09-04 13:44:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2020-09-04 13:44:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:44:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 13:44:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:44:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-04 13:44:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-04 13:44:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-09-04 13:44:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-04 13:44:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2020-09-04 13:44:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2020-09-04 13:44:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2020-09-04 13:44:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2020-09-04 13:44:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2020-09-04 13:44:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 13:44:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2020-09-04 13:44:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2020-09-04 13:44:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-04 13:44:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:44:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 13:44:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 13:44:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 13:44:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 13:44:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 13:44:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 13:44:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 13:44:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 13:44:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 13:44:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:44:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-04 13:44:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:44:36,837 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:44:36,837 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-09-04 13:44:36,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:44:36 BoogieIcfgContainer [2020-09-04 13:44:36,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:44:36,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:44:36,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:44:36,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:44:36,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:44:35" (1/3) ... [2020-09-04 13:44:36,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632f6db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:44:36, skipping insertion in model container [2020-09-04 13:44:36,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:44:35" (2/3) ... [2020-09-04 13:44:36,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632f6db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:44:36, skipping insertion in model container [2020-09-04 13:44:36,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:44:36" (3/3) ... [2020-09-04 13:44:36,859 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2020-09-04 13:44:36,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:44:36,884 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:44:36,908 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:44:36,946 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:44:36,946 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:44:36,947 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:44:36,947 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:44:36,947 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:44:36,947 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:44:36,947 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:44:36,948 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:44:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2020-09-04 13:44:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-04 13:44:36,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:44:36,996 INFO L422 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] [2020-09-04 13:44:36,996 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:44:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:44:37,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1921771477, now seen corresponding path program 1 times [2020-09-04 13:44:37,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:44:37,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127018161] [2020-09-04 13:44:37,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:44:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:37,594 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-09-04 13:44:37,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:44:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:37,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 13:44:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:37,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-04 13:44:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:44:37,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127018161] [2020-09-04 13:44:37,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:44:37,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 13:44:37,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385563840] [2020-09-04 13:44:37,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:44:37,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:44:37,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:44:37,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:44:37,766 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 5 states. [2020-09-04 13:44:37,937 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-09-04 13:44:38,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:44:38,916 INFO L93 Difference]: Finished difference Result 262 states and 403 transitions. [2020-09-04 13:44:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 13:44:38,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-09-04 13:44:38,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:44:38,936 INFO L225 Difference]: With dead ends: 262 [2020-09-04 13:44:38,936 INFO L226 Difference]: Without dead ends: 139 [2020-09-04 13:44:38,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:44:38,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-04 13:44:39,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 119. [2020-09-04 13:44:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-04 13:44:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2020-09-04 13:44:39,022 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 38 [2020-09-04 13:44:39,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:44:39,022 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2020-09-04 13:44:39,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:44:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2020-09-04 13:44:39,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-04 13:44:39,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:44:39,027 INFO L422 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, 1] [2020-09-04 13:44:39,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:44:39,027 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:44:39,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:44:39,028 INFO L82 PathProgramCache]: Analyzing trace with hash -503826635, now seen corresponding path program 1 times [2020-09-04 13:44:39,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:44:39,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414550818] [2020-09-04 13:44:39,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:44:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:39,281 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-09-04 13:44:39,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:44:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:39,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 13:44:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-04 13:44:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:44:39,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414550818] [2020-09-04 13:44:39,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732078612] [2020-09-04 13:44:39,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:44:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:44:39,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 3 conjunts are in the unsatisfiable core [2020-09-04 13:44:39,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:44:39,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:44:39,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:44:39,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2020-09-04 13:44:39,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685118300] [2020-09-04 13:44:39,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 13:44:39,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:44:39,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 13:44:39,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:44:39,677 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand 4 states. [2020-09-04 13:44:39,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:44:39,715 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2020-09-04 13:44:39,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 13:44:39,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-09-04 13:44:39,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:44:39,718 INFO L225 Difference]: With dead ends: 119 [2020-09-04 13:44:39,718 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:44:39,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:44:39,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:44:39,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:44:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:44:39,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:44:39,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2020-09-04 13:44:39,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:44:39,726 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:44:39,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 13:44:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:44:39,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:44:39,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-09-04 13:44:39,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:44:40,051 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-09-04 13:44:42,583 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 19 [2020-09-04 13:44:43,004 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-09-04 13:44:43,165 INFO L271 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: true [2020-09-04 13:44:43,165 INFO L271 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: true [2020-09-04 13:44:43,165 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-09-04 13:44:43,165 INFO L268 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-09-04 13:44:43,166 INFO L268 CegarLoopResult]: For program point Id_MCDC_113EXIT(lines 303 322) no Hoare annotation was computed. [2020-09-04 13:44:43,166 INFO L271 CegarLoopResult]: At program point Id_MCDC_113ENTRY(lines 303 322) the Hoare annotation is: true [2020-09-04 13:44:43,166 INFO L268 CegarLoopResult]: For program point Id_MCDC_113FINAL(lines 303 322) no Hoare annotation was computed. [2020-09-04 13:44:43,166 INFO L271 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: true [2020-09-04 13:44:43,167 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-09-04 13:44:43,167 INFO L268 CegarLoopResult]: For program point L311(lines 311 318) no Hoare annotation was computed. [2020-09-04 13:44:43,167 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 318) no Hoare annotation was computed. [2020-09-04 13:44:43,167 INFO L268 CegarLoopResult]: For program point L307(lines 307 310) no Hoare annotation was computed. [2020-09-04 13:44:43,167 INFO L264 CegarLoopResult]: At program point Id_MCDC_115ENTRY(lines 354 422) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-04 13:44:43,168 INFO L271 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: true [2020-09-04 13:44:43,168 INFO L268 CegarLoopResult]: For program point Id_MCDC_115FINAL(lines 354 422) no Hoare annotation was computed. [2020-09-04 13:44:43,168 INFO L268 CegarLoopResult]: For program point L411-1(line 411) no Hoare annotation was computed. [2020-09-04 13:44:43,168 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 416) no Hoare annotation was computed. [2020-09-04 13:44:43,168 INFO L271 CegarLoopResult]: At program point L399-3(lines 399 416) the Hoare annotation is: true [2020-09-04 13:44:43,168 INFO L268 CegarLoopResult]: For program point L399-4(lines 399 416) no Hoare annotation was computed. [2020-09-04 13:44:43,169 INFO L268 CegarLoopResult]: For program point L412(lines 412 415) no Hoare annotation was computed. [2020-09-04 13:44:43,169 INFO L268 CegarLoopResult]: For program point L379(lines 379 420) no Hoare annotation was computed. [2020-09-04 13:44:43,169 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 378) no Hoare annotation was computed. [2020-09-04 13:44:43,169 INFO L271 CegarLoopResult]: At program point L375-3(lines 375 378) the Hoare annotation is: true [2020-09-04 13:44:43,169 INFO L268 CegarLoopResult]: For program point L375-4(lines 355 422) no Hoare annotation was computed. [2020-09-04 13:44:43,169 INFO L271 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: true [2020-09-04 13:44:43,170 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 391) no Hoare annotation was computed. [2020-09-04 13:44:43,170 INFO L271 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: true [2020-09-04 13:44:43,170 INFO L268 CegarLoopResult]: For program point L384-1(lines 384 387) no Hoare annotation was computed. [2020-09-04 13:44:43,170 INFO L271 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: true [2020-09-04 13:44:43,170 INFO L268 CegarLoopResult]: For program point L401-1(lines 401 404) no Hoare annotation was computed. [2020-09-04 13:44:43,170 INFO L268 CegarLoopResult]: For program point Id_MCDC_115EXIT(lines 354 422) no Hoare annotation was computed. [2020-09-04 13:44:43,170 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 419) no Hoare annotation was computed. [2020-09-04 13:44:43,171 INFO L271 CegarLoopResult]: At program point L381-3(lines 381 419) the Hoare annotation is: true [2020-09-04 13:44:43,171 INFO L271 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-09-04 13:44:43,171 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 397) no Hoare annotation was computed. [2020-09-04 13:44:43,171 INFO L268 CegarLoopResult]: For program point Id_MCDC_114EXIT(lines 323 353) no Hoare annotation was computed. [2020-09-04 13:44:43,171 INFO L268 CegarLoopResult]: For program point L341(lines 341 346) no Hoare annotation was computed. [2020-09-04 13:44:43,171 INFO L268 CegarLoopResult]: For program point L341-1(lines 339 351) no Hoare annotation was computed. [2020-09-04 13:44:43,172 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-09-04 13:44:43,172 INFO L268 CegarLoopResult]: For program point L339-2(line 339) no Hoare annotation was computed. [2020-09-04 13:44:43,172 INFO L268 CegarLoopResult]: For program point L339-3(line 339) no Hoare annotation was computed. [2020-09-04 13:44:43,172 INFO L268 CegarLoopResult]: For program point L339-5(lines 339 351) no Hoare annotation was computed. [2020-09-04 13:44:43,172 INFO L268 CegarLoopResult]: For program point L331-1(lines 331 338) no Hoare annotation was computed. [2020-09-04 13:44:43,172 INFO L271 CegarLoopResult]: At program point L331-3(lines 331 338) the Hoare annotation is: true [2020-09-04 13:44:43,172 INFO L268 CegarLoopResult]: For program point L327(lines 327 330) no Hoare annotation was computed. [2020-09-04 13:44:43,173 INFO L268 CegarLoopResult]: For program point L331-4(lines 331 338) no Hoare annotation was computed. [2020-09-04 13:44:43,173 INFO L271 CegarLoopResult]: At program point Id_MCDC_114ENTRY(lines 323 353) the Hoare annotation is: true [2020-09-04 13:44:43,173 INFO L268 CegarLoopResult]: For program point Id_MCDC_114FINAL(lines 323 353) no Hoare annotation was computed. [2020-09-04 13:44:43,173 INFO L268 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-09-04 13:44:43,173 INFO L268 CegarLoopResult]: For program point Id_MCDC_110FINAL(lines 272 302) no Hoare annotation was computed. [2020-09-04 13:44:43,173 INFO L268 CegarLoopResult]: For program point Id_MCDC_110EXIT(lines 272 302) no Hoare annotation was computed. [2020-09-04 13:44:43,174 INFO L268 CegarLoopResult]: For program point L284(lines 284 292) no Hoare annotation was computed. [2020-09-04 13:44:43,174 INFO L271 CegarLoopResult]: At program point Id_MCDC_110ENTRY(lines 272 302) the Hoare annotation is: true [2020-09-04 13:44:43,174 INFO L268 CegarLoopResult]: For program point L278(lines 278 292) no Hoare annotation was computed. [2020-09-04 13:44:43,174 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-04 13:44:43,174 INFO L271 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: true [2020-09-04 13:44:43,174 INFO L271 CegarLoopResult]: At program point L295-1(line 295) the Hoare annotation is: true [2020-09-04 13:44:43,174 INFO L268 CegarLoopResult]: For program point L293-1(lines 273 302) no Hoare annotation was computed. [2020-09-04 13:44:43,175 INFO L268 CegarLoopResult]: For program point L293-2(lines 293 300) no Hoare annotation was computed. [2020-09-04 13:44:43,175 INFO L264 CegarLoopResult]: At program point L481(line 481) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2020-09-04 13:44:43,175 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 450 482) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2020-09-04 13:44:43,175 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 450 482) no Hoare annotation was computed. [2020-09-04 13:44:43,175 INFO L268 CegarLoopResult]: For program point L476(lines 476 479) no Hoare annotation was computed. [2020-09-04 13:44:43,175 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 450 482) no Hoare annotation was computed. [2020-09-04 13:44:43,176 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-09-04 13:44:43,176 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-09-04 13:44:43,176 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-09-04 13:44:43,176 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-09-04 13:44:43,176 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:44:43,177 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |#t~string62.offset| |old(#t~string62.offset)|) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |old(#t~string63.offset)| |#t~string63.offset|) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |#t~string9.base| |old(#t~string9.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |old(#t~string16.base)| |#t~string16.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|)) [2020-09-04 13:44:43,177 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:44:43,177 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:44:43,177 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 13:44:43,177 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:44:43,178 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:44:43,178 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-09-04 13:44:43,178 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-09-04 13:44:43,178 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-09-04 13:44:43,178 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-09-04 13:44:43,178 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 483 490) the Hoare annotation is: true [2020-09-04 13:44:43,179 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 483 490) no Hoare annotation was computed. [2020-09-04 13:44:43,179 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-04 13:44:43,179 INFO L268 CegarLoopResult]: For program point L485(lines 485 488) no Hoare annotation was computed. [2020-09-04 13:44:43,179 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2020-09-04 13:44:43,179 INFO L268 CegarLoopResult]: For program point L485-2(lines 483 490) no Hoare annotation was computed. [2020-09-04 13:44:43,179 INFO L264 CegarLoopResult]: At program point Id_MCDC_117ENTRY(lines 423 442) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2020-09-04 13:44:43,180 INFO L268 CegarLoopResult]: For program point Id_MCDC_117FINAL(lines 423 442) no Hoare annotation was computed. [2020-09-04 13:44:43,180 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-04 13:44:43,180 INFO L271 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: true [2020-09-04 13:44:43,180 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-09-04 13:44:43,180 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-04 13:44:43,180 INFO L268 CegarLoopResult]: For program point L431-2(lines 431 438) no Hoare annotation was computed. [2020-09-04 13:44:43,180 INFO L268 CegarLoopResult]: For program point L429-2(lines 429 439) no Hoare annotation was computed. [2020-09-04 13:44:43,181 INFO L271 CegarLoopResult]: At program point L429-3(lines 429 439) the Hoare annotation is: true [2020-09-04 13:44:43,181 INFO L271 CegarLoopResult]: At program point L429-4(lines 429 439) the Hoare annotation is: true [2020-09-04 13:44:43,181 INFO L268 CegarLoopResult]: For program point Id_MCDC_117EXIT(lines 423 442) no Hoare annotation was computed. [2020-09-04 13:44:43,181 INFO L264 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2020-09-04 13:44:43,181 INFO L264 CegarLoopResult]: At program point Id_MCDC_118ENTRY(lines 443 449) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2020-09-04 13:44:43,182 INFO L268 CegarLoopResult]: For program point Id_MCDC_118FINAL(lines 443 449) no Hoare annotation was computed. [2020-09-04 13:44:43,182 INFO L268 CegarLoopResult]: For program point Id_MCDC_118EXIT(lines 443 449) no Hoare annotation was computed. [2020-09-04 13:44:43,182 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-09-04 13:44:43,182 INFO L268 CegarLoopResult]: For program point L225-2(lines 225 231) no Hoare annotation was computed. [2020-09-04 13:44:43,182 INFO L271 CegarLoopResult]: At program point Id_MCDC_107ENTRY(lines 216 271) the Hoare annotation is: true [2020-09-04 13:44:43,182 INFO L268 CegarLoopResult]: For program point L221(lines 221 224) no Hoare annotation was computed. [2020-09-04 13:44:43,183 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-09-04 13:44:43,183 INFO L268 CegarLoopResult]: For program point Id_MCDC_107FINAL(lines 216 271) no Hoare annotation was computed. [2020-09-04 13:44:43,183 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-09-04 13:44:43,183 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-04 13:44:43,183 INFO L268 CegarLoopResult]: For program point L234-2(line 234) no Hoare annotation was computed. [2020-09-04 13:44:43,183 INFO L268 CegarLoopResult]: For program point L259(lines 259 264) no Hoare annotation was computed. [2020-09-04 13:44:43,183 INFO L268 CegarLoopResult]: For program point L259-1(lines 257 269) no Hoare annotation was computed. [2020-09-04 13:44:43,184 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-09-04 13:44:43,184 INFO L268 CegarLoopResult]: For program point L243-2(line 243) no Hoare annotation was computed. [2020-09-04 13:44:43,184 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-04 13:44:43,184 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-09-04 13:44:43,184 INFO L268 CegarLoopResult]: For program point L252(lines 252 255) no Hoare annotation was computed. [2020-09-04 13:44:43,184 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-09-04 13:44:43,185 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-09-04 13:44:43,185 INFO L268 CegarLoopResult]: For program point L240-2(line 240) no Hoare annotation was computed. [2020-09-04 13:44:43,185 INFO L271 CegarLoopResult]: At program point L232(lines 232 248) the Hoare annotation is: true [2020-09-04 13:44:43,185 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-09-04 13:44:43,185 INFO L268 CegarLoopResult]: For program point L257-2(line 257) no Hoare annotation was computed. [2020-09-04 13:44:43,185 INFO L268 CegarLoopResult]: For program point L257-3(line 257) no Hoare annotation was computed. [2020-09-04 13:44:43,185 INFO L268 CegarLoopResult]: For program point L257-5(lines 257 269) no Hoare annotation was computed. [2020-09-04 13:44:43,186 INFO L268 CegarLoopResult]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2020-09-04 13:44:43,186 INFO L271 CegarLoopResult]: At program point L249-3(lines 249 256) the Hoare annotation is: true [2020-09-04 13:44:43,186 INFO L268 CegarLoopResult]: For program point L249-4(lines 249 256) no Hoare annotation was computed. [2020-09-04 13:44:43,186 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-04 13:44:43,186 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-09-04 13:44:43,186 INFO L268 CegarLoopResult]: For program point L237-2(line 237) no Hoare annotation was computed. [2020-09-04 13:44:43,187 INFO L268 CegarLoopResult]: For program point Id_MCDC_107EXIT(lines 216 271) no Hoare annotation was computed. [2020-09-04 13:44:43,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:44:43 BoogieIcfgContainer [2020-09-04 13:44:43,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:44:43,203 INFO L168 Benchmark]: Toolchain (without parser) took 8182.80 ms. Allocated memory was 139.5 MB in the beginning and 291.5 MB in the end (delta: 152.0 MB). Free memory was 100.4 MB in the beginning and 204.0 MB in the end (delta: -103.6 MB). Peak memory consumption was 165.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:44:43,204 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:44:43,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.55 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 172.5 MB in the end (delta: -72.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:44:43,207 INFO L168 Benchmark]: Boogie Preprocessor took 121.06 ms. Allocated memory is still 202.9 MB. Free memory was 172.5 MB in the beginning and 168.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:44:43,207 INFO L168 Benchmark]: RCFGBuilder took 1049.68 ms. Allocated memory is still 202.9 MB. Free memory was 168.3 MB in the beginning and 106.1 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:44:43,209 INFO L168 Benchmark]: TraceAbstraction took 6351.98 ms. Allocated memory was 202.9 MB in the beginning and 291.5 MB in the end (delta: 88.6 MB). Free memory was 105.5 MB in the beginning and 204.0 MB in the end (delta: -98.5 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:44:43,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.55 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 172.5 MB in the end (delta: -72.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.06 ms. Allocated memory is still 202.9 MB. Free memory was 172.5 MB in the beginning and 168.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1049.68 ms. Allocated memory is still 202.9 MB. Free memory was 168.3 MB in the beginning and 106.1 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6351.98 ms. Allocated memory was 202.9 MB in the beginning and 291.5 MB in the end (delta: 88.6 MB). Free memory was 105.5 MB in the beginning and 204.0 MB in the end (delta: -98.5 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: 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: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 317 SDtfs, 226 SDslu, 408 SDs, 0 SdLazy, 261 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s 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 DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 76 PreInvPairs, 92 NumberOfFragments, 247 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 34 FomulaSimplificationsInter, 2252 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 14535 SizeOfPredicates, 2 NumberOfNonLiveVariables, 537 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...