./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer --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 0eb3a3b9a531aa6bb488a8391040f8f0b2a99f1d ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:32,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:32,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:32,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:32,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:32,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:32,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:32,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:32,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:32,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:32,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:32,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:32,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:32,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:32,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:32,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:32,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:32,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:32,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:32,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:32,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:32,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:32,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:32,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:32,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:32,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:32,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:32,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:32,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:32,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:32,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:32,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:32,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:32,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:32,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:32,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:32,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:32,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:32,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:32,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:32,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:32,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:51:32,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:32,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:32,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:32,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:32,468 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:32,468 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:51:32,468 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:51:32,468 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:51:32,469 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:51:32,469 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:51:32,470 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:51:32,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:32,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:32,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:51:32,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:32,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:32,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:32,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:51:32,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:51:32,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:51:32,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:32,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:32,472 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:51:32,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:32,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:51:32,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:32,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:32,473 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:51:32,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:32,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:32,474 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:51:32,474 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:51:32,475 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer 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 -> 0eb3a3b9a531aa6bb488a8391040f8f0b2a99f1d [2019-11-25 08:51:32,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:32,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:32,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:32,642 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:32,642 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:32,643 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/../../sv-benchmarks/c/ldv-sets/test_add-2.i [2019-11-25 08:51:32,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/data/81858499a/8444e1584f8847c4a444f36ddcb4b635/FLAGbc3f03c83 [2019-11-25 08:51:33,146 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:33,146 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/sv-benchmarks/c/ldv-sets/test_add-2.i [2019-11-25 08:51:33,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/data/81858499a/8444e1584f8847c4a444f36ddcb4b635/FLAGbc3f03c83 [2019-11-25 08:51:33,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/data/81858499a/8444e1584f8847c4a444f36ddcb4b635 [2019-11-25 08:51:33,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:33,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:33,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:33,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:33,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:33,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3567fc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33, skipping insertion in model container [2019-11-25 08:51:33,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:33,230 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:33,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:33,568 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:33,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:33,671 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:33,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33 WrapperNode [2019-11-25 08:51:33,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:33,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:33,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:33,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:33,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:33,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:33,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:33,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:33,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... [2019-11-25 08:51:33,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:33,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:33,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:33,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:33,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0bbdb9a0-c84c-46d5-ac14-e6ff6390cb85/bin/uautomizer/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 [2019-11-25 08:51:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:51:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:51:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:51:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:51:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:51:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 08:51:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:34,204 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:34,205 INFO L284 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-25 08:51:34,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:34 BoogieIcfgContainer [2019-11-25 08:51:34,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:34,206 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:51:34,206 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:51:34,209 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:51:34,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:34,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:51:33" (1/3) ... [2019-11-25 08:51:34,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fffe235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:51:34, skipping insertion in model container [2019-11-25 08:51:34,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:34,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:33" (2/3) ... [2019-11-25 08:51:34,212 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fffe235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:51:34, skipping insertion in model container [2019-11-25 08:51:34,212 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:34,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:34" (3/3) ... [2019-11-25 08:51:34,214 INFO L371 chiAutomizerObserver]: Analyzing ICFG test_add-2.i [2019-11-25 08:51:34,256 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:51:34,256 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:51:34,257 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:51:34,257 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:34,257 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:34,257 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:51:34,257 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:34,257 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:51:34,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-25 08:51:34,288 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-25 08:51:34,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:34,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:34,295 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:51:34,295 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:51:34,295 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:51:34,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-25 08:51:34,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-25 08:51:34,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:34,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:34,298 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:51:34,298 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:51:34,305 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$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 21#L638-3true [2019-11-25 08:51:34,305 INFO L796 eck$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 [2019-11-25 08:51:34,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,311 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-25 08:51:34,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247993967] [2019-11-25 08:51:34,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,435 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:34,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,436 INFO L82 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2019-11-25 08:51:34,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432680495] [2019-11-25 08:51:34,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:34,455 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:34,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,456 INFO L82 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2019-11-25 08:51:34,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080389414] [2019-11-25 08:51:34,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:34,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080389414] [2019-11-25 08:51:34,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:34,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:34,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50077561] [2019-11-25 08:51:34,844 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-11-25 08:51:34,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:34,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:51:34,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:34,861 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-11-25 08:51:34,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:34,949 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-11-25 08:51:34,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:51:34,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2019-11-25 08:51:34,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:51:34,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 12 states and 12 transitions. [2019-11-25 08:51:34,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-25 08:51:34,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-25 08:51:34,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 12 transitions. [2019-11-25 08:51:34,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:51:34,957 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-25 08:51:34,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 12 transitions. [2019-11-25 08:51:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-25 08:51:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-25 08:51:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-25 08:51:34,981 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-25 08:51:34,981 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-25 08:51:34,981 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:51:34,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 12 transitions. [2019-11-25 08:51:34,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:51:34,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:34,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:34,983 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:34,983 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:51:34,983 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$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 72#L638-8 [2019-11-25 08:51:34,983 INFO L796 eck$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 [2019-11-25 08:51:34,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:34,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1872509682, now seen corresponding path program 1 times [2019-11-25 08:51:34,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:34,984 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496172058] [2019-11-25 08:51:34,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,150 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:35,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:35,150 INFO L82 PathProgramCache]: Analyzing trace with hash 72652, now seen corresponding path program 1 times [2019-11-25 08:51:35,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:35,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715053187] [2019-11-25 08:51:35,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:35,161 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:35,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:35,162 INFO L82 PathProgramCache]: Analyzing trace with hash -900653153, now seen corresponding path program 1 times [2019-11-25 08:51:35,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:35,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215932093] [2019-11-25 08:51:35,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:35,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215932093] [2019-11-25 08:51:35,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:35,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:51:35,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913529564] [2019-11-25 08:51:35,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:35,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:51:35,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:51:35,734 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. cyclomatic complexity: 1 Second operand 8 states. [2019-11-25 08:51:35,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:35,978 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-25 08:51:35,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:51:35,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 10 transitions. [2019-11-25 08:51:35,980 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:51:35,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-11-25 08:51:35,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:51:35,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:51:35,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:51:35,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:51:35,981 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:51:35,981 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:51:35,981 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:51:35,981 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:51:35,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:51:35,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:51:35,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:51:35,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:51:35 BoogieIcfgContainer [2019-11-25 08:51:35,989 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:51:35,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:35,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:35,991 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:35,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:34" (3/4) ... [2019-11-25 08:51:35,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:51:35,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:35,998 INFO L168 Benchmark]: Toolchain (without parser) took 2819.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 944.2 MB in the end (delta: 533.3 kB). Peak memory consumption was 142.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:35,998 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:35,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:36,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:36,001 INFO L168 Benchmark]: Boogie Preprocessor took 29.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:36,002 INFO L168 Benchmark]: RCFGBuilder took 456.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:36,008 INFO L168 Benchmark]: BuchiAutomizer took 1783.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.2 MB in the end (delta: 140.6 MB). Peak memory consumption was 140.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:36,008 INFO L168 Benchmark]: Witness Printer took 5.12 ms. Allocated memory is still 1.2 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:36,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 493.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 456.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1783.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.2 MB in the end (delta: 140.6 MB). Peak memory consumption was 140.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.12 ms. Allocated memory is still 1.2 GB. Free memory is still 944.2 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 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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...