./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/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 0.1.25-f470102 [2019-12-07 16:17:13,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:17:13,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:17:13,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:17:13,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:17:13,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:17:13,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:17:13,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:17:13,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:17:13,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:17:13,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:17:13,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:17:13,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:17:13,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:17:13,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:17:13,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:17:13,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:17:13,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:17:13,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:17:13,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:17:13,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:17:13,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:17:13,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:17:13,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:17:13,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:17:13,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:17:13,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:17:13,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:17:13,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:17:13,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:17:13,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:17:13,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:17:13,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:17:13,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:17:13,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:17:13,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:17:13,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:17:13,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:17:13,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:17:13,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:17:13,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:17:13,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 16:17:13,618 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:17:13,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:17:13,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:17:13,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:17:13,619 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:17:13,620 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 16:17:13,620 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 16:17:13,620 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 16:17:13,620 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 16:17:13,620 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 16:17:13,620 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 16:17:13,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:17:13,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:17:13,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:17:13,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:17:13,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:17:13,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:17:13,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 16:17:13,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 16:17:13,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 16:17:13,622 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:17:13,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:17:13,622 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 16:17:13,622 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:17:13,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 16:17:13,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:17:13,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:17:13,622 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 16:17:13,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:17:13,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:17:13,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:17:13,623 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 16:17:13,623 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 16:17:13,624 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_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/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 [2019-12-07 16:17:13,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:17:13,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:17:13,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:17:13,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:17:13,734 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:17:13,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/../../sv-benchmarks/c/ldv-sets/test_add-2.i [2019-12-07 16:17:13,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/data/62ee5963a/54ec89d41175447099b1810bc16ab110/FLAGb39f84c3e [2019-12-07 16:17:14,221 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:17:14,221 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/sv-benchmarks/c/ldv-sets/test_add-2.i [2019-12-07 16:17:14,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/data/62ee5963a/54ec89d41175447099b1810bc16ab110/FLAGb39f84c3e [2019-12-07 16:17:14,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/bin/uautomizer/data/62ee5963a/54ec89d41175447099b1810bc16ab110 [2019-12-07 16:17:14,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:17:14,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:17:14,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:17:14,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:17:14,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:17:14,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af3fe1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14, skipping insertion in model container [2019-12-07 16:17:14,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:17:14,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:17:14,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:17:14,524 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:17:14,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:17:14,593 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:17:14,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14 WrapperNode [2019-12-07 16:17:14,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:17:14,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:17:14,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:17:14,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:17:14,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:17:14,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:17:14,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:17:14,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:17:14,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... [2019-12-07 16:17:14,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:17:14,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:17:14,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:17:14,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:17:14,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2064d952-39a3-4bf7-8f75-81a3a9a70e7b/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 [2019-12-07 16:17:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:17:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:17:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 16:17:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 16:17:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:17:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 16:17:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 16:17:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:17:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:17:14,895 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:17:14,895 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 16:17:14,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:17:14 BoogieIcfgContainer [2019-12-07 16:17:14,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:17:14,896 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 16:17:14,897 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 16:17:14,899 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 16:17:14,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:17:14,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 04:17:14" (1/3) ... [2019-12-07 16:17:14,900 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d570c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:17:14, skipping insertion in model container [2019-12-07 16:17:14,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:17:14,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:17:14" (2/3) ... [2019-12-07 16:17:14,900 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d570c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:17:14, skipping insertion in model container [2019-12-07 16:17:14,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:17:14,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:17:14" (3/3) ... [2019-12-07 16:17:14,901 INFO L371 chiAutomizerObserver]: Analyzing ICFG test_add-2.i [2019-12-07 16:17:14,929 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 16:17:14,930 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 16:17:14,930 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 16:17:14,930 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:17:14,930 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:17:14,930 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 16:17:14,930 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:17:14,930 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 16:17:14,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-12-07 16:17:14,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 16:17:14,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:17:14,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:17:14,957 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 16:17:14,957 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:17:14,957 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 16:17:14,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-12-07 16:17:14,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 16:17:14,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:17:14,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:17:14,959 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 16:17:14,959 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:17:14,964 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$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 21#L638-3true [2019-12-07 16:17:14,964 INFO L796 eck$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 [2019-12-07 16:17:14,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:17:14,968 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 16:17:14,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:17:14,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475387013] [2019-12-07 16:17:14,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:17:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:17:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:17:15,068 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:17:15,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:17:15,068 INFO L82 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2019-12-07 16:17:15,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:17:15,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532447202] [2019-12-07 16:17:15,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:17:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:17:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:17:15,082 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:17:15,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:17:15,083 INFO L82 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2019-12-07 16:17:15,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:17:15,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443757451] [2019-12-07 16:17:15,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:17:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:17:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:17:15,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443757451] [2019-12-07 16:17:15,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:17:15,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:17:15,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621392014] [2019-12-07 16:17:15,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:17:15,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:17:15,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:17:15,254 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-12-07 16:17:15,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:17:15,316 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-12-07 16:17:15,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:17:15,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2019-12-07 16:17:15,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:17:15,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 12 states and 12 transitions. [2019-12-07 16:17:15,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 16:17:15,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 16:17:15,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 12 transitions. [2019-12-07 16:17:15,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:17:15,323 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-12-07 16:17:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 12 transitions. [2019-12-07 16:17:15,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-07 16:17:15,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 16:17:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-12-07 16:17:15,340 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-12-07 16:17:15,340 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-12-07 16:17:15,340 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 16:17:15,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 12 transitions. [2019-12-07 16:17:15,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:17:15,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:17:15,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:17:15,341 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:17:15,341 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:17:15,342 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$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 72#L638-8 [2019-12-07 16:17:15,342 INFO L796 eck$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 [2019-12-07 16:17:15,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:17:15,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1872509682, now seen corresponding path program 1 times [2019-12-07 16:17:15,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:17:15,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642565207] [2019-12-07 16:17:15,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:17:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:17:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:17:15,427 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:17:15,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:17:15,427 INFO L82 PathProgramCache]: Analyzing trace with hash 72652, now seen corresponding path program 1 times [2019-12-07 16:17:15,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:17:15,427 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234708874] [2019-12-07 16:17:15,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:17:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:17:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:17:15,435 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:17:15,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:17:15,435 INFO L82 PathProgramCache]: Analyzing trace with hash -900653153, now seen corresponding path program 1 times [2019-12-07 16:17:15,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:17:15,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437734130] [2019-12-07 16:17:15,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:17:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:17:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:17:15,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437734130] [2019-12-07 16:17:15,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:17:15,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 16:17:15,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763123378] [2019-12-07 16:17:15,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:17:15,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:17:15,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:17:15,729 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. cyclomatic complexity: 1 Second operand 8 states. [2019-12-07 16:17:15,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:17:15,862 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-12-07 16:17:15,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:17:15,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 10 transitions. [2019-12-07 16:17:15,863 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:17:15,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-12-07 16:17:15,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 16:17:15,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 16:17:15,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 16:17:15,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:17:15,864 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:17:15,864 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:17:15,864 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:17:15,864 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 16:17:15,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:17:15,864 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:17:15,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 16:17:15,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 04:17:15 BoogieIcfgContainer [2019-12-07 16:17:15,868 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 16:17:15,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:17:15,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:17:15,868 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:17:15,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:17:14" (3/4) ... [2019-12-07 16:17:15,871 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:17:15,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:17:15,873 INFO L168 Benchmark]: Toolchain (without parser) took 1628.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 937.1 MB in the beginning and 902.9 MB in the end (delta: 34.2 MB). Peak memory consumption was 132.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:15,873 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:17:15,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:15,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:17:15,874 INFO L168 Benchmark]: Boogie Preprocessor took 20.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:15,874 INFO L168 Benchmark]: RCFGBuilder took 248.09 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:15,875 INFO L168 Benchmark]: BuchiAutomizer took 971.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 908.3 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:15,875 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory was 908.3 MB in the beginning and 902.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:15,878 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.85 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 20.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 248.09 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 971.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 908.3 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory was 908.3 MB in the beginning and 902.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. 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 0.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 0.0s 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...