./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/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 64bit --witnessprinter.graph.data.programhash 5b7c2858314131c244395f9ab37913061eb343a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:42:23,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:42:23,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:42:23,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:42:23,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:42:23,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:42:23,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:42:23,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:42:23,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:42:23,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:42:23,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:42:23,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:42:23,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:42:23,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:42:23,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:42:23,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:42:23,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:42:23,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:42:23,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:42:23,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:42:23,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:42:23,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:42:23,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:42:23,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:42:23,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:42:23,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:42:23,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:42:23,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:42:23,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:42:23,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:42:23,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:42:23,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:42:23,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:42:23,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:42:23,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:42:23,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:42:23,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:42:23,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:42:23,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:42:23,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:42:23,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:42:23,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:42:23,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:42:23,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:42:23,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:42:23,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:42:23,413 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:42:23,413 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:42:23,413 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:42:23,413 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:42:23,413 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:42:23,413 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:42:23,413 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:42:23,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:42:23,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:42:23,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:42:23,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:42:23,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:42:23,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:42:23,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:42:23,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:42:23,415 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:42:23,415 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:42:23,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:42:23,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:42:23,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:42:23,415 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:42:23,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:42:23,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:42:23,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:42:23,416 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:42:23,416 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:42:23,416 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_f7100797-2c7e-4ffa-8b2f-fb7250639d89/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b7c2858314131c244395f9ab37913061eb343a6 [2019-12-07 17:42:23,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:42:23,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:42:23,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:42:23,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:42:23,536 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:42:23,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i [2019-12-07 17:42:23,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/data/82da0adbe/b2c5904637434dcd9cb48b55f1b2317a/FLAG1cd352bc7 [2019-12-07 17:42:24,043 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:42:24,044 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i [2019-12-07 17:42:24,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/data/82da0adbe/b2c5904637434dcd9cb48b55f1b2317a/FLAG1cd352bc7 [2019-12-07 17:42:24,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/data/82da0adbe/b2c5904637434dcd9cb48b55f1b2317a [2019-12-07 17:42:24,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:42:24,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:42:24,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:42:24,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:42:24,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:42:24,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e92df1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24, skipping insertion in model container [2019-12-07 17:42:24,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:42:24,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:42:24,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:42:24,797 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:42:24,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:42:24,864 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:42:24,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24 WrapperNode [2019-12-07 17:42:24,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:42:24,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:42:24,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:42:24,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:42:24,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:42:24,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:42:24,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:42:24,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:42:24,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... [2019-12-07 17:42:24,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:42:24,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:42:24,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:42:24,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:42:24,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/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 17:42:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:42:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:42:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:42:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:42:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:42:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:42:25,123 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:42:25,123 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:42:25,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:25 BoogieIcfgContainer [2019-12-07 17:42:25,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:42:25,124 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:42:25,125 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:42:25,127 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:42:25,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:42:25,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:42:24" (1/3) ... [2019-12-07 17:42:25,128 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ca9ef0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:42:25, skipping insertion in model container [2019-12-07 17:42:25,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:42:25,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:24" (2/3) ... [2019-12-07 17:42:25,128 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ca9ef0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:42:25, skipping insertion in model container [2019-12-07 17:42:25,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:42:25,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:25" (3/3) ... [2019-12-07 17:42:25,129 INFO L371 chiAutomizerObserver]: Analyzing ICFG a.07-alloca.i [2019-12-07 17:42:25,158 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:42:25,158 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:42:25,158 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:42:25,158 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:42:25,158 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:42:25,159 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:42:25,159 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:42:25,159 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:42:25,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-12-07 17:42:25,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:42:25,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:42:25,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:42:25,185 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:42:25,185 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:42:25,185 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:42:25,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-12-07 17:42:25,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:42:25,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:42:25,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:42:25,186 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:42:25,186 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:42:25,191 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet14, main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 6#L557-5true [2019-12-07 17:42:25,191 INFO L796 eck$LassoCheckResult]: Loop: 6#L557-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 8#L557-1true assume test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem12; 6#L557-5true [2019-12-07 17:42:25,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:25,195 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 17:42:25,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:25,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138307524] [2019-12-07 17:42:25,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:25,332 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:42:25,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:25,333 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2019-12-07 17:42:25,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:25,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511082389] [2019-12-07 17:42:25,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:25,355 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:42:25,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:25,356 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2019-12-07 17:42:25,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:25,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519311074] [2019-12-07 17:42:25,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:25,415 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:42:25,550 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-12-07 17:42:26,041 WARN L192 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 103 [2019-12-07 17:42:26,249 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-12-07 17:42:26,260 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:42:26,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:42:26,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:42:26,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:42:26,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:42:26,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:26,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:42:26,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:42:26,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07-alloca.i_Iteration1_Lasso [2019-12-07 17:42:26,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:42:26,262 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:42:26,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,742 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2019-12-07 17:42:26,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:26,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:42:27,241 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:42:27,246 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:27,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:27,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:27,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:27,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:27,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:27,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:27,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:27,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:27,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:27,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:27,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:27,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:27,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:27,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:27,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:27,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:27,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:27,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:27,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:27,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:27,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:27,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:27,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:27,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:27,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:27,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:27,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:27,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:27,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:42:27,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:27,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:27,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:27,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:27,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:27,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:27,379 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:42:27,408 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-12-07 17:42:27,408 INFO L444 ModelExtractionUtils]: 12 out of 40 variables were initially zero. Simplification set additionally 25 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7100797-2c7e-4ffa-8b2f-fb7250639d89/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:27,413 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:42:27,415 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:42:27,416 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:42:27,416 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-12-07 17:42:27,560 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2019-12-07 17:42:27,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:42:27,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:42:27,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:27,598 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:42:27,600 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:42:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:27,612 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:42:27,613 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:42:27,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:42:27,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:42:27,682 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 17:42:27,693 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 17:42:27,694 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-12-07 17:42:27,757 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 38 states and 44 transitions. Complement of second has 9 states. [2019-12-07 17:42:27,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 17:42:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:42:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2019-12-07 17:42:27,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 17:42:27,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:42:27,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 17:42:27,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:42:27,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 17:42:27,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:42:27,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2019-12-07 17:42:27,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:42:27,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2019-12-07 17:42:27,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-12-07 17:42:27,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-12-07 17:42:27,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2019-12-07 17:42:27,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:42:27,769 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-12-07 17:42:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2019-12-07 17:42:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-12-07 17:42:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 17:42:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-12-07 17:42:27,787 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 17:42:27,787 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 17:42:27,787 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:42:27,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-12-07 17:42:27,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:42:27,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:42:27,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:42:27,788 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 17:42:27,788 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:42:27,789 INFO L794 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 258#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet14, main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 259#L557-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 262#L557-1 [2019-12-07 17:42:27,789 INFO L796 eck$LassoCheckResult]: Loop: 262#L557-1 assume !test_fun_#t~short10; 265#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem12; 261#L557-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 262#L557-1 [2019-12-07 17:42:27,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:27,789 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-12-07 17:42:27,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:27,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291164907] [2019-12-07 17:42:27,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:27,824 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:42:27,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:27,825 INFO L82 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2019-12-07 17:42:27,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:27,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984730132] [2019-12-07 17:42:27,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:27,843 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 17:42:27,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984730132] [2019-12-07 17:42:27,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:27,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:42:27,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12106803] [2019-12-07 17:42:27,846 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 17:42:27,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:27,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:42:27,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:27,849 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 17:42:27,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:27,860 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-12-07 17:42:27,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:42:27,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2019-12-07 17:42:27,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:42:27,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-12-07 17:42:27,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:42:27,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:42:27,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:42:27,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:42:27,862 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:42:27,862 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:42:27,862 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:42:27,862 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:42:27,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:42:27,863 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:42:27,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:42:27,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:42:27 BoogieIcfgContainer [2019-12-07 17:42:27,867 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:42:27,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:42:27,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:42:27,867 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:42:27,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:25" (3/4) ... [2019-12-07 17:42:27,870 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:42:27,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:42:27,871 INFO L168 Benchmark]: Toolchain (without parser) took 3309.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -210.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:42:27,871 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:42:27,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:27,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.43 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:27,873 INFO L168 Benchmark]: Boogie Preprocessor took 17.20 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. [2019-12-07 17:42:27,874 INFO L168 Benchmark]: RCFGBuilder took 210.15 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:27,874 INFO L168 Benchmark]: BuchiAutomizer took 2742.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -58.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:42:27,875 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:27,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.43 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.20 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. * RCFGBuilder took 210.15 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2742.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -58.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital423 mio100 ax104 hnf100 lsp93 ukn52 mio100 lsp33 div100 bol100 ite100 ukn100 eq197 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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...