./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-sets/test_add-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f26903d601d84bcfe738256ba3a8dbce35e2085 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:48:39,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:48:39,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:48:39,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:48:39,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:48:39,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:48:39,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:48:39,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:48:39,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:48:39,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:48:39,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:48:39,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:48:39,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:48:39,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:48:39,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:48:39,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:48:39,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:48:39,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:48:39,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:48:39,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:48:39,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:48:39,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:48:39,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:48:39,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:48:39,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:48:39,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:48:39,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:48:39,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:48:39,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:48:39,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:48:39,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:48:39,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:48:39,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:48:39,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:48:39,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:48:39,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:48:39,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:48:39,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:48:39,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:48:39,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:48:39,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:48:39,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:48:39,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:48:39,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:48:39,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:48:39,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:48:39,766 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:48:39,766 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:48:39,766 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:48:39,767 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:48:39,767 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:48:39,767 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:48:39,767 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:48:39,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:48:39,768 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:48:39,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:48:39,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:48:39,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:48:39,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:48:39,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:48:39,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:48:39,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:48:39,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:48:39,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:48:39,770 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:48:39,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:48:39,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:48:39,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:48:39,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:48:39,771 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:48:39,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:48:39,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:48:39,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:48:39,772 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:48:39,773 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:48:39,773 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f26903d601d84bcfe738256ba3a8dbce35e2085 [2019-11-28 20:48:40,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:48:40,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:48:40,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:48:40,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:48:40,129 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:48:40,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_add-1.i [2019-11-28 20:48:40,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf760567/3005a79844dc4d589cc4260d74165ab0/FLAG78f027c98 [2019-11-28 20:48:40,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:48:40,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-1.i [2019-11-28 20:48:40,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf760567/3005a79844dc4d589cc4260d74165ab0/FLAG78f027c98 [2019-11-28 20:48:41,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf760567/3005a79844dc4d589cc4260d74165ab0 [2019-11-28 20:48:41,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:48:41,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:48:41,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:48:41,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:48:41,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:48:41,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e23053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41, skipping insertion in model container [2019-11-28 20:48:41,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:48:41,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:48:41,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:48:41,705 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:48:41,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:48:41,842 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:48:41,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41 WrapperNode [2019-11-28 20:48:41,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:48:41,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:48:41,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:48:41,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:48:41,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:48:41,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:48:41,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:48:41,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:48:41,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (1/1) ... [2019-11-28 20:48:41,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:48:41,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:48:41,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:48:41,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:48:41,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:48:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:48:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:48:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:48:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:48:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:48:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:48:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 20:48:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:48:42,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:48:42,510 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:48:42,511 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-28 20:48:42,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:48:42 BoogieIcfgContainer [2019-11-28 20:48:42,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:48:42,513 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:48:42,513 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:48:42,517 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:48:42,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:48:42,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:48:41" (1/3) ... [2019-11-28 20:48:42,520 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14ea4d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:48:42, skipping insertion in model container [2019-11-28 20:48:42,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:48:42,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:48:41" (2/3) ... [2019-11-28 20:48:42,521 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14ea4d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:48:42, skipping insertion in model container [2019-11-28 20:48:42,521 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:48:42,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:48:42" (3/3) ... [2019-11-28 20:48:42,523 INFO L371 chiAutomizerObserver]: Analyzing ICFG test_add-1.i [2019-11-28 20:48:42,572 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:48:42,572 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:48:42,573 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:48:42,573 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:48:42,573 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:48:42,573 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:48:42,573 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:48:42,573 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:48:42,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-28 20:48:42,609 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 20:48:42,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:48:42,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:48:42,615 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:48:42,616 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:48:42,616 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:48:42,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-28 20:48:42,618 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 20:48:42,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:48:42,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:48:42,619 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:48:42,619 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:48:42,626 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#s1~0.base, ~#s1~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 13#L-1true havoc main_#res;havoc foo_#t~nondet27, foo_#t~ret28, foo_~j~0;foo_~j~0 := foo_#t~nondet27;havoc foo_#t~nondet27;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17, ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem25, ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 21#L638-3true [2019-11-28 20:48:42,627 INFO L796 eck$LassoCheckResult]: Loop: 21#L638-3true assume !!(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset);call ldv_is_in_set_#t~mem25 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 11#L639true assume !(ldv_is_in_set_#t~mem25 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem25; 19#L638-2true call ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset := read~$Pointer$(ldv_is_in_set_~m~1.base, 4 + ldv_is_in_set_~m~1.offset, 4);ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset := ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset;havoc ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 21#L638-3true [2019-11-28 20:48:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:48:42,632 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:48:42,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:48:42,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725612499] [2019-11-28 20:48:42,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:48:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:42,780 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:48:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:48:42,781 INFO L82 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2019-11-28 20:48:42,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:48:42,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146908781] [2019-11-28 20:48:42,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:48:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:42,803 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:48:42,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:48:42,806 INFO L82 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2019-11-28 20:48:42,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:48:42,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851088335] [2019-11-28 20:48:42,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:48:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:48:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:48:42,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851088335] [2019-11-28 20:48:42,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:48:42,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:48:42,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930096120] [2019-11-28 20:48:43,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:48:43,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:48:43,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:48:43,167 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-11-28 20:48:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:48:43,280 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-11-28 20:48:43,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:48:43,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2019-11-28 20:48:43,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:48:43,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 12 states and 12 transitions. [2019-11-28 20:48:43,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-28 20:48:43,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-28 20:48:43,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 12 transitions. [2019-11-28 20:48:43,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:48:43,293 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-28 20:48:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 12 transitions. [2019-11-28 20:48:43,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-28 20:48:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 20:48:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-28 20:48:43,326 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-28 20:48:43,327 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-28 20:48:43,327 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:48:43,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 12 transitions. [2019-11-28 20:48:43,328 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:48:43,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:48:43,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:48:43,329 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:48:43,329 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:48:43,330 INFO L794 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#s1~0.base, ~#s1~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 63#L-1 havoc main_#res;havoc foo_#t~nondet27, foo_#t~ret28, foo_~j~0;foo_~j~0 := foo_#t~nondet27;havoc foo_#t~nondet27;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17, ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem25, ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 64#L638-3 assume !(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset); 73#L638-4 ldv_is_in_set_#res := 0; 70#L643 ldv_set_add_#t~ret17 := ldv_is_in_set_#res; 71#L619 assume 0 == ldv_set_add_#t~ret17;havoc ldv_set_add_#t~ret17;havoc ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset;ldv_successful_malloc_#in~size := 12;havoc ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset;havoc ldv_successful_malloc_#t~malloc5.base, ldv_successful_malloc_#t~malloc5.offset, ldv_successful_malloc_~size, ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset;ldv_successful_malloc_~size := ldv_successful_malloc_#in~size;call ldv_successful_malloc_#t~malloc5.base, ldv_successful_malloc_#t~malloc5.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size);ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset := ldv_successful_malloc_#t~malloc5.base, ldv_successful_malloc_#t~malloc5.offset;assume 0 != (if ldv_successful_malloc_~ptr~0.base != 0 || ldv_successful_malloc_~ptr~0.offset != 0 then 1 else 0);ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset := ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset; 65#L564 ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset := ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset;ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset := ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset;havoc ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset;call write~int(ldv_set_add_~new, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, 4);ldv_list_add_#in~new.base, ldv_list_add_#in~new.offset, ldv_list_add_#in~head.base, ldv_list_add_#in~head.offset := ldv_set_add_~le~0.base, 4 + ldv_set_add_~le~0.offset, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_list_add_#t~mem6.base, ldv_list_add_#t~mem6.offset, ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset;ldv_list_add_~new.base, ldv_list_add_~new.offset := ldv_list_add_#in~new.base, ldv_list_add_#in~new.offset;ldv_list_add_~head.base, ldv_list_add_~head.offset := ldv_list_add_#in~head.base, ldv_list_add_#in~head.offset;call ldv_list_add_#t~mem6.base, ldv_list_add_#t~mem6.offset := read~$Pointer$(ldv_list_add_~head.base, ldv_list_add_~head.offset, 4);__ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset, __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset, __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset := ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset, ldv_list_add_#t~mem6.base, ldv_list_add_#t~mem6.offset;havoc __ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~next.base, __ldv_list_add_~next.offset;__ldv_list_add_~new.base, __ldv_list_add_~new.offset := __ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset;__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset := __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset;__ldv_list_add_~next.base, __ldv_list_add_~next.offset := __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset;call write~$Pointer$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~next.base, 4 + __ldv_list_add_~next.offset, 4);call write~$Pointer$(__ldv_list_add_~next.base, __ldv_list_add_~next.offset, __ldv_list_add_~new.base, __ldv_list_add_~new.offset, 4);call write~$Pointer$(__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~new.base, 4 + __ldv_list_add_~new.offset, 4);call write~$Pointer$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, 4); 66#L575 havoc ldv_list_add_#t~mem6.base, ldv_list_add_#t~mem6.offset; 74#L618 ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem25, ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 72#L638-8 [2019-11-28 20:48:43,330 INFO L796 eck$LassoCheckResult]: Loop: 72#L638-8 assume !!(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset);call ldv_is_in_set_#t~mem25 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 67#L639-1 assume !(ldv_is_in_set_#t~mem25 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem25; 68#L638-7 call ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset := read~$Pointer$(ldv_is_in_set_~m~1.base, 4 + ldv_is_in_set_~m~1.offset, 4);ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset := ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset;havoc ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 72#L638-8 [2019-11-28 20:48:43,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:48:43,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1872509682, now seen corresponding path program 1 times [2019-11-28 20:48:43,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:48:43,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691664652] [2019-11-28 20:48:43,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:48:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:43,539 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:48:43,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:48:43,539 INFO L82 PathProgramCache]: Analyzing trace with hash 72652, now seen corresponding path program 1 times [2019-11-28 20:48:43,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:48:43,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351146807] [2019-11-28 20:48:43,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:48:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:48:43,555 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:48:43,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:48:43,556 INFO L82 PathProgramCache]: Analyzing trace with hash -900653153, now seen corresponding path program 1 times [2019-11-28 20:48:43,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:48:43,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156588696] [2019-11-28 20:48:43,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:48:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:48:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:48:44,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156588696] [2019-11-28 20:48:44,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:48:44,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 20:48:44,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350375333] [2019-11-28 20:48:44,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:48:44,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:48:44,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:48:44,256 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. cyclomatic complexity: 1 Second operand 8 states. [2019-11-28 20:48:44,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:48:44,515 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-28 20:48:44,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:48:44,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 10 transitions. [2019-11-28 20:48:44,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:48:44,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-11-28 20:48:44,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:48:44,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:48:44,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:48:44,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:48:44,518 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:48:44,519 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:48:44,519 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:48:44,519 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:48:44,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:48:44,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:48:44,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:48:44,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:48:44 BoogieIcfgContainer [2019-11-28 20:48:44,527 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:48:44,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:48:44,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:48:44,530 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:48:44,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:48:42" (3/4) ... [2019-11-28 20:48:44,535 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:48:44,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:48:44,539 INFO L168 Benchmark]: Toolchain (without parser) took 3503.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 960.4 MB in the beginning and 909.4 MB in the end (delta: 50.9 MB). Peak memory consumption was 160.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:48:44,542 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:48:44,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -123.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:48:44,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:48:44,545 INFO L168 Benchmark]: Boogie Preprocessor took 64.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:48:44,546 INFO L168 Benchmark]: RCFGBuilder took 519.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:48:44,548 INFO L168 Benchmark]: BuchiAutomizer took 2014.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 909.4 MB in the end (delta: 136.0 MB). Peak memory consumption was 136.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:48:44,553 INFO L168 Benchmark]: Witness Printer took 6.71 ms. Allocated memory is still 1.1 GB. Free memory is still 909.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:48:44,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 809.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -123.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 519.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2014.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 909.4 MB in the end (delta: 136.0 MB). Peak memory consumption was 136.0 MB. Max. memory is 11.5 GB. * Witness Printer took 6.71 ms. Allocated memory is still 1.1 GB. Free memory is still 909.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 39 SDslu, 32 SDs, 0 SdLazy, 38 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...