./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 1ceebfe4d0eb9ec7246158e80f3d81196a2e507f ........................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 02:04:33,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:04:33,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:04:33,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:04:33,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:04:33,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:04:33,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:04:33,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:04:33,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:04:33,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:04:33,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:04:33,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:04:33,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:04:33,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:04:33,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:04:33,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:04:33,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:04:33,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:04:33,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:04:33,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:04:33,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:04:33,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:04:33,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:04:33,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:04:33,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:04:33,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:04:33,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:04:33,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:04:33,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:04:33,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:04:33,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:04:33,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:04:33,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:04:33,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:04:33,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:04:33,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:04:33,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:04:33,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:04:33,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:04:33,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:04:33,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:04:33,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:04:33,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:04:33,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:04:33,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:04:33,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:04:33,990 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:04:33,990 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:04:33,990 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:04:33,990 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:04:33,991 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:04:33,991 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:04:33,992 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:04:33,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:04:33,992 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:04:33,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:04:33,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:04:33,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:04:33,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:04:33,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:04:33,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:04:33,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:04:33,995 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:04:33,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:04:33,995 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:04:33,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:04:33,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:04:33,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:04:33,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:04:33,996 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:04:33,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:04:33,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:04:33,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:04:33,998 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:04:33,999 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:04:34,000 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 -> 1ceebfe4d0eb9ec7246158e80f3d81196a2e507f [2020-07-29 02:04:34,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:04:34,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:04:34,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:04:34,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:04:34,345 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:04:34,346 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_add-1.i [2020-07-29 02:04:34,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd3b1107/103252b95c1149ad9355ff2256920418/FLAGb0ed0b545 [2020-07-29 02:04:34,987 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:04:34,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-1.i [2020-07-29 02:04:35,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd3b1107/103252b95c1149ad9355ff2256920418/FLAGb0ed0b545 [2020-07-29 02:04:35,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd3b1107/103252b95c1149ad9355ff2256920418 [2020-07-29 02:04:35,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:04:35,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:04:35,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:04:35,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:04:35,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:04:35,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:35,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f59aa34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35, skipping insertion in model container [2020-07-29 02:04:35,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:35,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:04:35,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:04:35,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:04:35,844 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:04:35,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:04:35,987 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:04:35,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35 WrapperNode [2020-07-29 02:04:35,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:04:35,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:04:35,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:04:35,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:04:36,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:04:36,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:04:36,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:04:36,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:04:36,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (1/1) ... [2020-07-29 02:04:36,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:04:36,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:04:36,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:04:36,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:04:36,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (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 [2020-07-29 02:04:36,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 02:04:36,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 02:04:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 02:04:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 02:04:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 02:04:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-29 02:04:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-29 02:04:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:04:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:04:36,734 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:04:36,734 INFO L295 CfgBuilder]: Removed 22 assume(true) statements. [2020-07-29 02:04:36,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:04:36 BoogieIcfgContainer [2020-07-29 02:04:36,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:04:36,740 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:04:36,740 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:04:36,744 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:04:36,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:04:36,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:04:35" (1/3) ... [2020-07-29 02:04:36,747 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4570a7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:04:36, skipping insertion in model container [2020-07-29 02:04:36,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:04:36,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:04:35" (2/3) ... [2020-07-29 02:04:36,748 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4570a7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:04:36, skipping insertion in model container [2020-07-29 02:04:36,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:04:36,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:04:36" (3/3) ... [2020-07-29 02:04:36,751 INFO L371 chiAutomizerObserver]: Analyzing ICFG test_add-1.i [2020-07-29 02:04:36,806 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:04:36,806 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:04:36,806 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:04:36,806 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:04:36,807 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:04:36,807 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:04:36,807 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:04:36,807 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:04:36,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-07-29 02:04:36,850 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-07-29 02:04:36,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:04:36,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:04:36,856 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:04:36,856 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:04:36,856 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:04:36,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-07-29 02:04:36,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-07-29 02:04:36,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:04:36,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:04:36,861 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:04:36,861 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:04:36,868 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#s1~0.base, ~#s1~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 15#L-1true havoc main_#res;havoc foo_#t~nondet26, foo_#t~ret27, foo_~j~0;foo_~j~0 := foo_#t~nondet26;havoc foo_#t~nondet26;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret16, ldv_set_add_#t~ret17.base, ldv_set_add_#t~ret17.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem24, ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 17#L641-3true [2020-07-29 02:04:36,868 INFO L796 eck$LassoCheckResult]: Loop: 17#L641-3true 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~mem24 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 7#L642true assume !(ldv_is_in_set_#t~mem24 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem24; 14#L641-2true call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.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~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~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 17#L641-3true [2020-07-29 02:04:36,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:04:36,875 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-07-29 02:04:36,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:04:36,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131282602] [2020-07-29 02:04:36,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:04:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:04:36,995 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:04:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:04:37,015 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:04:37,038 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:04:37,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:04:37,040 INFO L82 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2020-07-29 02:04:37,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:04:37,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475046121] [2020-07-29 02:04:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:04:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:04:37,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:04:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:04:37,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:04:37,065 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:04:37,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:04:37,067 INFO L82 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2020-07-29 02:04:37,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:04:37,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231676137] [2020-07-29 02:04:37,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:04:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:04:37,230 INFO L280 TraceCheckUtils]: 0: Hoare triple {31#true} #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); {33#(and (= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|) |~#s1~0.offset|) (<= |~#s1~0.offset| 0))} is VALID [2020-07-29 02:04:37,234 INFO L280 TraceCheckUtils]: 1: Hoare triple {33#(and (= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|) |~#s1~0.offset|) (<= |~#s1~0.offset| 0))} havoc main_#res;havoc foo_#t~nondet26, foo_#t~ret27, foo_~j~0;foo_~j~0 := foo_#t~nondet26;havoc foo_#t~nondet26;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~ret16, ldv_set_add_#t~ret17.base, ldv_set_add_#t~ret17.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~mem22.base, ldv_is_in_set_#t~mem22.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem24, ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.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~mem22.base, ldv_is_in_set_#t~mem22.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~mem22.base, ldv_is_in_set_#t~mem22.offset;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.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; {34#(<= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) 0)} is VALID [2020-07-29 02:04:37,236 INFO L280 TraceCheckUtils]: 2: Hoare triple {34#(<= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) 0)} 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~mem24 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); {32#false} is VALID [2020-07-29 02:04:37,236 INFO L280 TraceCheckUtils]: 3: Hoare triple {32#false} assume !(ldv_is_in_set_#t~mem24 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem24; {32#false} is VALID [2020-07-29 02:04:37,237 INFO L280 TraceCheckUtils]: 4: Hoare triple {32#false} call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.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~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~4.base, ldv_is_in_set_~__mptr~4.offset - 4; {32#false} is VALID [2020-07-29 02:04:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:04:37,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231676137] [2020-07-29 02:04:37,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:04:37,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 02:04:37,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886477487] [2020-07-29 02:04:37,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:04:37,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-29 02:04:37,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-29 02:04:37,417 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2020-07-29 02:04:37,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:04:37,801 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2020-07-29 02:04:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-29 02:04:37,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 02:04:37,817 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:04:37,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 31 transitions. [2020-07-29 02:04:37,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 02:04:37,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 14 states and 14 transitions. [2020-07-29 02:04:37,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-07-29 02:04:37,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-07-29 02:04:37,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2020-07-29 02:04:37,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:04:37,833 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-07-29 02:04:37,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2020-07-29 02:04:37,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-07-29 02:04:37,863 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:04:37,863 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states and 14 transitions. Second operand 14 states. [2020-07-29 02:04:37,864 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states and 14 transitions. Second operand 14 states. [2020-07-29 02:04:37,866 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 14 states. [2020-07-29 02:04:37,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:04:37,869 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-07-29 02:04:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-07-29 02:04:37,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:04:37,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:04:37,871 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states and 14 transitions. [2020-07-29 02:04:37,871 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states and 14 transitions. [2020-07-29 02:04:37,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:04:37,873 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-07-29 02:04:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-07-29 02:04:37,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:04:37,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:04:37,875 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:04:37,875 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:04:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-29 02:04:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-07-29 02:04:37,879 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-07-29 02:04:37,879 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-07-29 02:04:37,879 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:04:37,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 14 transitions. [2020-07-29 02:04:37,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 02:04:37,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:04:37,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:04:37,882 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:04:37,882 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:04:37,883 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#s1~0.base, ~#s1~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 76#L-1 havoc main_#res;havoc foo_#t~nondet26, foo_#t~ret27, foo_~j~0;foo_~j~0 := foo_#t~nondet26;havoc foo_#t~nondet26;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret16, ldv_set_add_#t~ret17.base, ldv_set_add_#t~ret17.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem24, ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset := read~$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~mem22.base, ldv_is_in_set_#t~mem22.offset;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.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; 77#L641-3 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); 78#L641-4 ldv_is_in_set_#res := 0; 80#L646 ldv_set_add_#t~ret16 := ldv_is_in_set_#res; 69#L622 assume 0 == ldv_set_add_#t~ret16;havoc ldv_set_add_#t~ret16;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~malloc4.base, ldv_successful_malloc_#t~malloc4.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~malloc4.base, ldv_successful_malloc_#t~malloc4.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size);ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset := ldv_successful_malloc_#t~malloc4.base, ldv_successful_malloc_#t~malloc4.offset;assume_abort_if_not_#in~cond := (if ldv_successful_malloc_~ptr~0.base != 0 || ldv_successful_malloc_~ptr~0.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 70#L554 assume !(0 == assume_abort_if_not_~cond); 75#L553 ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset := ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset; 73#L567 ldv_set_add_#t~ret17.base, ldv_set_add_#t~ret17.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~ret17.base, ldv_set_add_#t~ret17.offset;havoc ldv_set_add_#t~ret17.base, ldv_set_add_#t~ret17.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~mem5.base, ldv_list_add_#t~mem5.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~mem5.base, ldv_list_add_#t~mem5.offset := read~$Pointer$(ldv_list_add_~head.base, ldv_list_add_~head.offset, 4);__ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset, __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset, __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset := ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset, ldv_list_add_#t~mem5.base, ldv_list_add_#t~mem5.offset;havoc __ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~next.base, __ldv_list_add_~next.offset;__ldv_list_add_~new.base, __ldv_list_add_~new.offset := __ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset;__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset := __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset;__ldv_list_add_~next.base, __ldv_list_add_~next.offset := __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset;call write~$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$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, 4); 72#L578 havoc ldv_list_add_#t~mem5.base, ldv_list_add_#t~mem5.offset; 71#L621 ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem24, ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 67#L641-8 [2020-07-29 02:04:37,883 INFO L796 eck$LassoCheckResult]: Loop: 67#L641-8 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~mem24 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 68#L642-1 assume !(ldv_is_in_set_#t~mem24 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem24; 74#L641-7 call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.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~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~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 67#L641-8 [2020-07-29 02:04:37,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:04:37,884 INFO L82 PathProgramCache]: Analyzing trace with hash 112353747, now seen corresponding path program 1 times [2020-07-29 02:04:37,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:04:37,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051078381] [2020-07-29 02:04:37,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:04:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:04:38,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:04:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:04:38,115 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:04:38,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:04:38,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:04:38,129 INFO L82 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 1 times [2020-07-29 02:04:38,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:04:38,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048814618] [2020-07-29 02:04:38,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:04:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:04:38,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:04:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:04:38,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:04:38,145 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:04:38,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:04:38,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1351003105, now seen corresponding path program 1 times [2020-07-29 02:04:38,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:04:38,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660708095] [2020-07-29 02:04:38,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:04:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:04:38,666 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#true} #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); {118#(and (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)))} is VALID [2020-07-29 02:04:38,669 INFO L280 TraceCheckUtils]: 1: Hoare triple {118#(and (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)))} havoc main_#res;havoc foo_#t~nondet26, foo_#t~ret27, foo_~j~0;foo_~j~0 := foo_#t~nondet26;havoc foo_#t~nondet26;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~ret16, ldv_set_add_#t~ret17.base, ldv_set_add_#t~ret17.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~mem22.base, ldv_is_in_set_#t~mem22.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem24, ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.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~mem22.base, ldv_is_in_set_#t~mem22.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~mem22.base, ldv_is_in_set_#t~mem22.offset;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.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; {119#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} is VALID [2020-07-29 02:04:38,670 INFO L280 TraceCheckUtils]: 2: Hoare triple {119#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} 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); {119#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} is VALID [2020-07-29 02:04:38,672 INFO L280 TraceCheckUtils]: 3: Hoare triple {119#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} ldv_is_in_set_#res := 0; {119#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} is VALID [2020-07-29 02:04:38,674 INFO L280 TraceCheckUtils]: 4: Hoare triple {119#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} ldv_set_add_#t~ret16 := ldv_is_in_set_#res; {119#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} is VALID [2020-07-29 02:04:38,676 INFO L280 TraceCheckUtils]: 5: Hoare triple {119#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 1 (select |#valid| |~#s1~0.base|)) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} assume 0 == ldv_set_add_#t~ret16;havoc ldv_set_add_#t~ret16;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~malloc4.base, ldv_successful_malloc_#t~malloc4.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~malloc4.base, ldv_successful_malloc_#t~malloc4.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size);ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset := ldv_successful_malloc_#t~malloc4.base, ldv_successful_malloc_#t~malloc4.offset;assume_abort_if_not_#in~cond := (if ldv_successful_malloc_~ptr~0.base != 0 || ldv_successful_malloc_~ptr~0.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; {120#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= 12 (select |#length| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= 0 ULTIMATE.start_ldv_successful_malloc_~ptr~0.offset))} is VALID [2020-07-29 02:04:38,678 INFO L280 TraceCheckUtils]: 6: Hoare triple {120#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= 12 (select |#length| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= 0 ULTIMATE.start_ldv_successful_malloc_~ptr~0.offset))} assume !(0 == assume_abort_if_not_~cond); {120#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= 12 (select |#length| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= 0 ULTIMATE.start_ldv_successful_malloc_~ptr~0.offset))} is VALID [2020-07-29 02:04:38,679 INFO L280 TraceCheckUtils]: 7: Hoare triple {120#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 0 |~#s1~0.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= 12 (select |#length| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= 0 ULTIMATE.start_ldv_successful_malloc_~ptr~0.offset))} ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset := ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset; {121#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 0 |~#s1~0.offset|) (= 0 |ULTIMATE.start_ldv_successful_malloc_#res.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (not (= |~#s1~0.base| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= 12 (select |#length| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} is VALID [2020-07-29 02:04:38,685 INFO L280 TraceCheckUtils]: 8: Hoare triple {121#(and (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= 0 |~#s1~0.offset|) (= 0 |ULTIMATE.start_ldv_successful_malloc_#res.offset|) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (not (= |~#s1~0.base| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= 12 (select |#length| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0))} ldv_set_add_#t~ret17.base, ldv_set_add_#t~ret17.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~ret17.base, ldv_set_add_#t~ret17.offset;havoc ldv_set_add_#t~ret17.base, ldv_set_add_#t~ret17.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~mem5.base, ldv_list_add_#t~mem5.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~mem5.base, ldv_list_add_#t~mem5.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~mem5.base, ldv_list_add_#t~mem5.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); {122#(and (<= |~#s1~0.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) 0)) 0) ULTIMATE.start_foo_~j~0) (<= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) 0) 4))} is VALID [2020-07-29 02:04:38,686 INFO L280 TraceCheckUtils]: 9: Hoare triple {122#(and (<= |~#s1~0.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) 0)) 0) ULTIMATE.start_foo_~j~0) (<= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) 0) 4))} havoc ldv_list_add_#t~mem5.base, ldv_list_add_#t~mem5.offset; {122#(and (<= |~#s1~0.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) 0)) 0) ULTIMATE.start_foo_~j~0) (<= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) 0) 4))} is VALID [2020-07-29 02:04:38,690 INFO L280 TraceCheckUtils]: 10: Hoare triple {122#(and (<= |~#s1~0.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) 0)) 0) ULTIMATE.start_foo_~j~0) (<= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) 0) 4))} 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~mem22.base, ldv_is_in_set_#t~mem22.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem24, ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.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~mem22.base, ldv_is_in_set_#t~mem22.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~mem22.base, ldv_is_in_set_#t~mem22.offset;havoc ldv_is_in_set_#t~mem22.base, ldv_is_in_set_#t~mem22.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; {123#(and (or (= ULTIMATE.start_ldv_is_in_set_~e (select (select |#memory_int| ULTIMATE.start_ldv_is_in_set_~m~1.base) ULTIMATE.start_ldv_is_in_set_~m~1.offset)) (not (= ULTIMATE.start_ldv_is_in_set_~m~1.offset 0))) (<= ULTIMATE.start_ldv_is_in_set_~m~1.offset 0))} is VALID [2020-07-29 02:04:38,693 INFO L280 TraceCheckUtils]: 11: Hoare triple {123#(and (or (= ULTIMATE.start_ldv_is_in_set_~e (select (select |#memory_int| ULTIMATE.start_ldv_is_in_set_~m~1.base) ULTIMATE.start_ldv_is_in_set_~m~1.offset)) (not (= ULTIMATE.start_ldv_is_in_set_~m~1.offset 0))) (<= ULTIMATE.start_ldv_is_in_set_~m~1.offset 0))} 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~mem24 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); {124#(= ULTIMATE.start_ldv_is_in_set_~e |ULTIMATE.start_ldv_is_in_set_#t~mem24|)} is VALID [2020-07-29 02:04:38,694 INFO L280 TraceCheckUtils]: 12: Hoare triple {124#(= ULTIMATE.start_ldv_is_in_set_~e |ULTIMATE.start_ldv_is_in_set_#t~mem24|)} assume !(ldv_is_in_set_#t~mem24 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem24; {117#false} is VALID [2020-07-29 02:04:38,694 INFO L280 TraceCheckUtils]: 13: Hoare triple {117#false} call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.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~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~4.base, ldv_is_in_set_~__mptr~4.offset - 4; {117#false} is VALID [2020-07-29 02:04:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:04:38,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660708095] [2020-07-29 02:04:38,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:04:38,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-29 02:04:38,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183552248] [2020-07-29 02:04:38,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:04:38,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-29 02:04:38,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-29 02:04:38,821 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. cyclomatic complexity: 1 Second operand 9 states. [2020-07-29 02:04:39,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:04:39,350 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-07-29 02:04:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-29 02:04:39,350 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-29 02:04:39,381 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:04:39,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 12 transitions. [2020-07-29 02:04:39,384 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:04:39,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2020-07-29 02:04:39,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 02:04:39,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 02:04:39,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 02:04:39,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:04:39,385 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:04:39,385 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:04:39,385 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:04:39,385 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 02:04:39,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 02:04:39,386 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:04:39,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:04:39,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:04:39 BoogieIcfgContainer [2020-07-29 02:04:39,392 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:04:39,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:04:39,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:04:39,393 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:04:39,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:04:36" (3/4) ... [2020-07-29 02:04:39,397 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:04:39,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:04:39,400 INFO L168 Benchmark]: Toolchain (without parser) took 4118.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 960.2 MB in the beginning and 794.4 MB in the end (delta: 165.8 MB). Peak memory consumption was 249.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:04:39,401 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:04:39,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -101.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2020-07-29 02:04:39,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.71 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. [2020-07-29 02:04:39,403 INFO L168 Benchmark]: Boogie Preprocessor took 46.69 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-29 02:04:39,404 INFO L168 Benchmark]: RCFGBuilder took 627.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2020-07-29 02:04:39,405 INFO L168 Benchmark]: BuchiAutomizer took 2652.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 794.4 MB in the end (delta: 216.2 MB). Peak memory consumption was 216.2 MB. Max. memory is 11.5 GB. [2020-07-29 02:04:39,405 INFO L168 Benchmark]: Witness Printer took 4.71 ms. Allocated memory is still 1.1 GB. Free memory is still 794.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:04:39,409 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 707.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -101.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.71 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 46.69 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 627.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2652.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 794.4 MB in the end (delta: 216.2 MB). Peak memory consumption was 216.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.71 ms. Allocated memory is still 1.1 GB. Free memory is still 794.4 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 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.3s. Büchi inclusion checks took 0.6s. 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 14 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 42 SDslu, 45 SDs, 0 SdLazy, 47 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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...