./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array03-alloca-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_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 7541988e6da98f0cff4ac2bb6ea7091660417951 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:29:31,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:29:31,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:29:31,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:29:31,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:29:31,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:29:31,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:29:31,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:29:31,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:29:31,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:29:31,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:29:31,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:29:31,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:29:31,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:29:31,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:29:31,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:29:31,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:29:31,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:29:31,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:29:31,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:29:31,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:29:31,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:29:31,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:29:31,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:29:31,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:29:31,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:29:31,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:29:31,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:29:31,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:29:31,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:29:31,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:29:31,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:29:31,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:29:31,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:29:31,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:29:31,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:29:31,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:29:31,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:29:31,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:29:31,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:29:31,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:29:31,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 13:29:31,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:29:31,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:29:31,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:29:31,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:29:31,605 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:29:31,606 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:29:31,606 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:29:31,606 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:29:31,606 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:29:31,606 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:29:31,606 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:29:31,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:29:31,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:29:31,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:29:31,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:29:31,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:29:31,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:29:31,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:29:31,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:29:31,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:29:31,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:29:31,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:29:31,608 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:29:31,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:29:31,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:29:31,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:29:31,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:29:31,609 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:29:31,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:29:31,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:29:31,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:29:31,609 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:29:31,610 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:29:31,610 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_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 -> 7541988e6da98f0cff4ac2bb6ea7091660417951 [2019-12-07 13:29:31,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:29:31,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:29:31,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:29:31,719 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:29:31,720 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:29:31,720 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2019-12-07 13:29:31,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/data/958d305ec/08f6b359b654480da56e818caca86cd8/FLAG055dd4e6b [2019-12-07 13:29:32,210 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:29:32,210 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2019-12-07 13:29:32,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/data/958d305ec/08f6b359b654480da56e818caca86cd8/FLAG055dd4e6b [2019-12-07 13:29:32,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/data/958d305ec/08f6b359b654480da56e818caca86cd8 [2019-12-07 13:29:32,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:29:32,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:29:32,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:29:32,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:29:32,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:29:32,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362cd1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32, skipping insertion in model container [2019-12-07 13:29:32,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:29:32,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:29:32,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:29:32,472 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:29:32,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:29:32,527 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:29:32,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32 WrapperNode [2019-12-07 13:29:32,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:29:32,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:29:32,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:29:32,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:29:32,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:29:32,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:29:32,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:29:32,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:29:32,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... [2019-12-07 13:29:32,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:29:32,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:29:32,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:29:32,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:29:32,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:29:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:29:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:29:32,768 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:29:32,769 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 13:29:32,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:29:32 BoogieIcfgContainer [2019-12-07 13:29:32,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:29:32,770 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:29:32,770 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:29:32,772 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:29:32,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:29:32,773 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:29:32" (1/3) ... [2019-12-07 13:29:32,773 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a21796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:29:32, skipping insertion in model container [2019-12-07 13:29:32,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:29:32,773 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:32" (2/3) ... [2019-12-07 13:29:32,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a21796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:29:32, skipping insertion in model container [2019-12-07 13:29:32,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:29:32,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:29:32" (3/3) ... [2019-12-07 13:29:32,775 INFO L371 chiAutomizerObserver]: Analyzing ICFG array03-alloca-2.i [2019-12-07 13:29:32,802 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:29:32,803 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:29:32,803 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:29:32,803 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:29:32,803 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:29:32,803 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:29:32,803 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:29:32,803 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:29:32,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 13:29:32,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 13:29:32,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:32,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:32,830 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 13:29:32,830 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:29:32,830 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:29:32,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 13:29:32,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 13:29:32,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:32,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:32,831 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 13:29:32,831 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:29:32,836 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 11#L532true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 16#L532-2true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 6#L537-3true [2019-12-07 13:29:32,836 INFO L796 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 4#L537-2true main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 6#L537-3true [2019-12-07 13:29:32,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:32,840 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 13:29:32,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:32,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215531206] [2019-12-07 13:29:32,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:32,926 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:32,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:32,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-12-07 13:29:32,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:32,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355302963] [2019-12-07 13:29:32,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:32,939 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:32,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:32,940 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-12-07 13:29:32,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:32,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979403291] [2019-12-07 13:29:32,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:32,963 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:33,107 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:29:33,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:29:33,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:29:33,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:29:33,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:29:33,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:33,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:29:33,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:29:33,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration1_Lasso [2019-12-07 13:29:33,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:29:33,109 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:29:33,127 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 13:29:33,132 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 13:29:33,134 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 13:29:33,138 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 13:29:33,140 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 13:29:33,212 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 13:29:33,214 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 13:29:33,216 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 13:29:33,218 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 13:29:33,376 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:29:33,379 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:33,383 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 13:29:33,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:33,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:33,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:33,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:33,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:33,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:33,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:33,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:33,395 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 13:29:33,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:33,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:33,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:33,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:33,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:33,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:33,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:33,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:33,403 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 13:29:33,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:33,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:33,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:33,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:33,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:33,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:33,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:33,419 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 13:29:33,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:33,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:33,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:33,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:33,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:33,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:33,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:33,429 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 13:29:33,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:33,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:33,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:33,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:33,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:33,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:33,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:33,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:33,437 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 13:29:33,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:33,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:33,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:33,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:33,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:33,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:33,458 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:29:33,487 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 13:29:33,487 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:33,492 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:29:33,497 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 13:29:33,498 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:29:33,498 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1) = -4*ULTIMATE.start_main_~k~0 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2019-12-07 13:29:33,510 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 13:29:33,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 13:29:33,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:33,552 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:29:33,553 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:33,563 INFO L264 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:29:33,563 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:33,583 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 13:29:33,594 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 13:29:33,595 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-12-07 13:29:33,662 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 44 states and 65 transitions. Complement of second has 7 states. [2019-12-07 13:29:33,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 13:29:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 13:29:33,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2019-12-07 13:29:33,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 13:29:33,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:33,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 13:29:33,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:33,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 13:29:33,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:33,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 65 transitions. [2019-12-07 13:29:33,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 13:29:33,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 15 states and 21 transitions. [2019-12-07 13:29:33,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 13:29:33,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 13:29:33,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2019-12-07 13:29:33,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:29:33,674 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-12-07 13:29:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2019-12-07 13:29:33,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-12-07 13:29:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 13:29:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-12-07 13:29:33,694 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-12-07 13:29:33,694 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-12-07 13:29:33,694 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 13:29:33,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2019-12-07 13:29:33,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 13:29:33,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:33,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:33,695 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 13:29:33,695 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 13:29:33,695 INFO L794 eck$LassoCheckResult]: Stem: 141#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 138#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 139#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 140#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 133#L537-3 assume !(main_~k~0 < main_~array_size~0); 134#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 129#L516-3 [2019-12-07 13:29:33,695 INFO L796 eck$LassoCheckResult]: Loop: 129#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 132#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 137#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 135#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 136#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 128#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 129#L516-3 [2019-12-07 13:29:33,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:33,696 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-12-07 13:29:33,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:33,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507451723] [2019-12-07 13:29:33,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:33,732 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 13:29:33,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507451723] [2019-12-07 13:29:33,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:29:33,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:29:33,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695557752] [2019-12-07 13:29:33,735 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 13:29:33,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:33,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 1 times [2019-12-07 13:29:33,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:33,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699373665] [2019-12-07 13:29:33,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:33,746 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:33,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:29:33,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:29:33,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:29:33,806 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-12-07 13:29:33,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:29:33,827 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2019-12-07 13:29:33,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:29:33,828 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2019-12-07 13:29:33,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 13:29:33,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2019-12-07 13:29:33,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 13:29:33,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 13:29:33,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-12-07 13:29:33,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:29:33,830 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 13:29:33,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-12-07 13:29:33,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-12-07 13:29:33,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 13:29:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-12-07 13:29:33,832 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 13:29:33,832 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 13:29:33,833 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 13:29:33,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-12-07 13:29:33,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 13:29:33,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:33,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:33,834 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:29:33,834 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 13:29:33,834 INFO L794 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 176#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 177#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 178#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 171#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 168#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 169#L537-3 assume !(main_~k~0 < main_~array_size~0); 172#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 167#L516-3 [2019-12-07 13:29:33,835 INFO L796 eck$LassoCheckResult]: Loop: 167#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 170#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 175#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 173#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 174#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 166#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 167#L516-3 [2019-12-07 13:29:33,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:33,835 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-12-07 13:29:33,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:33,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892360653] [2019-12-07 13:29:33,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:33,861 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:33,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 2 times [2019-12-07 13:29:33,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:33,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879650980] [2019-12-07 13:29:33,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:33,874 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:33,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:33,875 INFO L82 PathProgramCache]: Analyzing trace with hash -260572169, now seen corresponding path program 1 times [2019-12-07 13:29:33,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:33,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971110596] [2019-12-07 13:29:33,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:33,899 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:34,061 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-12-07 13:29:34,103 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:29:34,103 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:29:34,103 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:29:34,103 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:29:34,103 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:29:34,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:29:34,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:29:34,103 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration3_Lasso [2019-12-07 13:29:34,103 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:29:34,103 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:29:34,107 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 13:29:34,108 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 13:29:34,109 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 13:29:34,110 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 13:29:34,112 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 13:29:34,113 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 13:29:34,115 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 13:29:34,116 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 13:29:34,117 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 13:29:34,118 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 13:29:34,120 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 13:29:34,121 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 13:29:34,123 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 13:29:34,231 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 13:29:34,233 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 13:29:34,234 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 13:29:34,235 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 13:29:34,465 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:29:34,465 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:34,469 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 13:29:34,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:34,477 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 13:29:34,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:34,483 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 13:29:34,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:34,490 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 13:29:34,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:34,496 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 13:29:34,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/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 13:29:34,503 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 13:29:34,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:34,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:34,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,512 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 13:29:34,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,519 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 13:29:34,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:34,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:34,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,529 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 13:29:34,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,536 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 13:29:34,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,544 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 13:29:34,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,553 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 13:29:34,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:34,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:34,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,563 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 13:29:34,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:34,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:34,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,577 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 13:29:34,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:34,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:34,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,594 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 13:29:34,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:34,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:34,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,604 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 13:29:34,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:34,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:34,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,616 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 13:29:34,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:34,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:34,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:34,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,627 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 13:29:34,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:34,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:34,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:34,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:34,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:34,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:34,644 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:29:34,665 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 13:29:34,666 INFO L444 ModelExtractionUtils]: 18 out of 37 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:34,669 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:29:34,671 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:29:34,671 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:29:34,671 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2019-12-07 13:29:34,679 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 13:29:34,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:34,695 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:29:34,696 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:34,702 INFO L264 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:29:34,702 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:34,710 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 13:29:34,710 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 13:29:34,710 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-12-07 13:29:34,724 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 22 states and 31 transitions. Complement of second has 4 states. [2019-12-07 13:29:34,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:29:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 13:29:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2019-12-07 13:29:34,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2019-12-07 13:29:34,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:34,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2019-12-07 13:29:34,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:34,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 12 letters. [2019-12-07 13:29:34,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:34,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 31 transitions. [2019-12-07 13:29:34,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:34,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 29 transitions. [2019-12-07 13:29:34,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 13:29:34,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 13:29:34,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2019-12-07 13:29:34,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 13:29:34,727 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-12-07 13:29:34,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2019-12-07 13:29:34,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-12-07 13:29:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 13:29:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2019-12-07 13:29:34,729 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-12-07 13:29:34,729 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-12-07 13:29:34,729 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 13:29:34,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2019-12-07 13:29:34,729 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:34,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:34,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:34,730 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:29:34,730 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:29:34,730 INFO L794 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 295#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 296#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 297#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 288#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 283#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 284#L537-3 assume !(main_~k~0 < main_~array_size~0); 289#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 285#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 287#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 291#L523-2 [2019-12-07 13:29:34,730 INFO L796 eck$LassoCheckResult]: Loop: 291#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 290#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 291#L523-2 [2019-12-07 13:29:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:34,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1899811566, now seen corresponding path program 1 times [2019-12-07 13:29:34,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:34,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917410808] [2019-12-07 13:29:34,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:34,749 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:34,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:34,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2019-12-07 13:29:34,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:34,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795972797] [2019-12-07 13:29:34,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:34,753 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:34,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649361259] [2019-12-07 13:29:34,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:34,779 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:34,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:34,780 INFO L82 PathProgramCache]: Analyzing trace with hash -357812649, now seen corresponding path program 1 times [2019-12-07 13:29:34,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:34,780 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248658781] [2019-12-07 13:29:34,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:34,786 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:34,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1667442448] [2019-12-07 13:29:34,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:34,822 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:29:34,823 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:34,852 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2019-12-07 13:29:34,853 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:29:34,854 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:29:34,854 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:29:34,855 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:3 [2019-12-07 13:29:34,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 13:29:34,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248658781] [2019-12-07 13:29:34,860 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 13:29:34,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667442448] [2019-12-07 13:29:34,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:29:34,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:29:34,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141672329] [2019-12-07 13:29:34,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:29:34,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:29:34,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:29:34,882 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-12-07 13:29:34,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:29:34,913 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2019-12-07 13:29:34,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:29:34,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2019-12-07 13:29:34,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:34,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 31 transitions. [2019-12-07 13:29:34,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 13:29:34,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 13:29:34,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 31 transitions. [2019-12-07 13:29:34,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 13:29:34,916 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2019-12-07 13:29:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 31 transitions. [2019-12-07 13:29:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-12-07 13:29:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 13:29:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-12-07 13:29:34,918 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-12-07 13:29:34,919 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-12-07 13:29:34,919 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 13:29:34,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-12-07 13:29:34,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:34,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:34,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:34,920 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:29:34,920 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:29:34,920 INFO L794 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 384#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 385#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 386#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 378#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 373#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 374#L537-3 assume !(main_~k~0 < main_~array_size~0); 379#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 375#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 377#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 390#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 381#L523-2 [2019-12-07 13:29:34,920 INFO L796 eck$LassoCheckResult]: Loop: 381#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 380#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 381#L523-2 [2019-12-07 13:29:34,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:34,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-12-07 13:29:34,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:34,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994370503] [2019-12-07 13:29:34,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:34,946 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:34,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:34,946 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 2 times [2019-12-07 13:29:34,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:34,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396910852] [2019-12-07 13:29:34,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:34,949 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:34,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850286599] [2019-12-07 13:29:34,949 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:34,970 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-12-07 13:29:34,971 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 13:29:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:34,975 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:34,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:34,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1792764442, now seen corresponding path program 1 times [2019-12-07 13:29:34,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:34,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113894370] [2019-12-07 13:29:34,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:34,980 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:34,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2020640742] [2019-12-07 13:29:34,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:35,032 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:35,191 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-12-07 13:29:35,252 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:29:35,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:29:35,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:29:35,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:29:35,252 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:29:35,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:29:35,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:29:35,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration5_Lasso [2019-12-07 13:29:35,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:29:35,253 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:29:35,255 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 13:29:35,256 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 13:29:35,257 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 13:29:35,259 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 13:29:35,261 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 13:29:35,262 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 13:29:35,263 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 13:29:35,264 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 13:29:35,266 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 13:29:35,267 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 13:29:35,269 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 13:29:35,270 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 13:29:35,271 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 13:29:35,272 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 13:29:35,274 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 13:29:35,275 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 13:29:35,418 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 13:29:35,661 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:29:35,661 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,664 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 13:29:35,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,671 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 13:29:35,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,679 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 13:29:35,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:35,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:35,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,687 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 13:29:35,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,693 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 13:29:35,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,699 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 13:29:35,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:35,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:35,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,708 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 13:29:35,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,714 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 13:29:35,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,720 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 13:29:35,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:35,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:35,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,728 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 13:29:35,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,734 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 13:29:35,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,740 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 13:29:35,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,747 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 13:29:35,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,754 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 13:29:35,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:35,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:35,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,765 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 13:29:35,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:29:35,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:29:35,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:29:35,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,771 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 13:29:35,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:35,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:35,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,782 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 13:29:35,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:35,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:35,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,803 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 13:29:35,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:29:35,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:29:35,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:29:35,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:29:35,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:29:35,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:29:35,814 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:29:35,824 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-12-07 13:29:35,824 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:35,827 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:29:35,829 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:29:35,829 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:29:35,829 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_2 Supporting invariants [] [2019-12-07 13:29:35,842 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 13:29:35,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 13:29:35,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:35,871 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 13:29:35,871 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:35,886 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 13:29:35,886 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:35,900 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 13:29:35,901 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 13:29:35,901 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 13:29:35,961 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 59 states and 78 transitions. Complement of second has 9 states. [2019-12-07 13:29:35,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2019-12-07 13:29:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 13:29:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2019-12-07 13:29:35,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 13:29:35,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:35,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 13 letters. Loop has 2 letters. [2019-12-07 13:29:35,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:35,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 11 letters. Loop has 4 letters. [2019-12-07 13:29:35,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:29:35,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 78 transitions. [2019-12-07 13:29:35,964 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-12-07 13:29:35,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 54 states and 71 transitions. [2019-12-07 13:29:35,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 13:29:35,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-12-07 13:29:35,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 71 transitions. [2019-12-07 13:29:35,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 13:29:35,966 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-12-07 13:29:35,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 71 transitions. [2019-12-07 13:29:35,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 28. [2019-12-07 13:29:35,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 13:29:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2019-12-07 13:29:35,970 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2019-12-07 13:29:35,970 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2019-12-07 13:29:35,970 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 13:29:35,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2019-12-07 13:29:35,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:35,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:35,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:35,971 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:29:35,972 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:29:35,972 INFO L794 eck$LassoCheckResult]: Stem: 572#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 567#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 568#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 569#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 561#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 554#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 555#L537-3 assume !(main_~k~0 < main_~array_size~0); 562#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 556#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 558#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 574#L520 assume test_fun_#t~mem4 < 0;havoc test_fun_#t~mem4;test_fun_~res~0 := 0; 564#L523-2 [2019-12-07 13:29:35,972 INFO L796 eck$LassoCheckResult]: Loop: 564#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 563#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 564#L523-2 [2019-12-07 13:29:35,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:35,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2019-12-07 13:29:35,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:35,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269471680] [2019-12-07 13:29:35,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:35,993 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:35,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:35,994 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 3 times [2019-12-07 13:29:35,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:35,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865531419] [2019-12-07 13:29:35,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:35,996 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:35,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1179153204] [2019-12-07 13:29:35,997 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:36,018 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-12-07 13:29:36,018 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 13:29:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:36,021 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:36,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:36,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762520, now seen corresponding path program 1 times [2019-12-07 13:29:36,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:36,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281041153] [2019-12-07 13:29:36,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:36,028 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:36,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153345196] [2019-12-07 13:29:36,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:36,054 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:29:36,055 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:36,066 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2019-12-07 13:29:36,066 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:29:36,067 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:29:36,067 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:29:36,068 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-12-07 13:29:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 13:29:36,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281041153] [2019-12-07 13:29:36,072 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 13:29:36,081 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153345196] [2019-12-07 13:29:36,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:29:36,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:29:36,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030510959] [2019-12-07 13:29:36,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:29:36,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:29:36,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:29:36,106 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 15 Second operand 5 states. [2019-12-07 13:29:36,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:29:36,135 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2019-12-07 13:29:36,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:29:36,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2019-12-07 13:29:36,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:36,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 38 transitions. [2019-12-07 13:29:36,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 13:29:36,136 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 13:29:36,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2019-12-07 13:29:36,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 13:29:36,136 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-12-07 13:29:36,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2019-12-07 13:29:36,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2019-12-07 13:29:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 13:29:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2019-12-07 13:29:36,138 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-12-07 13:29:36,138 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-12-07 13:29:36,138 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 13:29:36,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2019-12-07 13:29:36,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:36,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:36,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:36,139 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:29:36,139 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:29:36,140 INFO L794 eck$LassoCheckResult]: Stem: 680#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 675#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 676#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 677#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 669#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 663#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 664#L537-3 assume !(main_~k~0 < main_~array_size~0); 670#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 665#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 666#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 678#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 679#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 681#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 661#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 662#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 667#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 682#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 672#L523-2 [2019-12-07 13:29:36,140 INFO L796 eck$LassoCheckResult]: Loop: 672#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 671#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 672#L523-2 [2019-12-07 13:29:36,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:36,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1699551859, now seen corresponding path program 1 times [2019-12-07 13:29:36,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:36,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757132608] [2019-12-07 13:29:36,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:29:36,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757132608] [2019-12-07 13:29:36,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429512500] [2019-12-07 13:29:36,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:29:36,219 INFO L264 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 13:29:36,220 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:29:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:29:36,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:29:36,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-12-07 13:29:36,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869853685] [2019-12-07 13:29:36,257 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 13:29:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:36,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 4 times [2019-12-07 13:29:36,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:36,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638871691] [2019-12-07 13:29:36,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:36,259 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:36,259 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491976330] [2019-12-07 13:29:36,259 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:36,279 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 13:29:36,279 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 13:29:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:36,282 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:36,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:29:36,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 13:29:36,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-12-07 13:29:36,303 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. cyclomatic complexity: 13 Second operand 13 states. [2019-12-07 13:29:36,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:29:36,417 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2019-12-07 13:29:36,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:29:36,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 57 transitions. [2019-12-07 13:29:36,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:36,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 29 states and 37 transitions. [2019-12-07 13:29:36,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 13:29:36,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 13:29:36,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2019-12-07 13:29:36,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 13:29:36,419 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-12-07 13:29:36,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2019-12-07 13:29:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-12-07 13:29:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 13:29:36,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-12-07 13:29:36,421 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-12-07 13:29:36,421 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-12-07 13:29:36,421 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 13:29:36,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-12-07 13:29:36,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:29:36,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:29:36,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:29:36,422 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:29:36,422 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:29:36,422 INFO L794 eck$LassoCheckResult]: Stem: 823#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 818#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 819#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 820#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 811#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 805#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 806#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 812#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 828#L537-3 assume !(main_~k~0 < main_~array_size~0); 817#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 807#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 808#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 821#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 822#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 827#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 803#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 804#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 809#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 824#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 814#L523-2 [2019-12-07 13:29:36,422 INFO L796 eck$LassoCheckResult]: Loop: 814#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 813#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 814#L523-2 [2019-12-07 13:29:36,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:36,423 INFO L82 PathProgramCache]: Analyzing trace with hash -70989845, now seen corresponding path program 2 times [2019-12-07 13:29:36,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:36,423 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689420941] [2019-12-07 13:29:36,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:36,448 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:36,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:36,448 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 5 times [2019-12-07 13:29:36,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:36,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871869371] [2019-12-07 13:29:36,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:36,450 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:36,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1321536565] [2019-12-07 13:29:36,450 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:36,471 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-12-07 13:29:36,471 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 13:29:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:36,474 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:36,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:29:36,474 INFO L82 PathProgramCache]: Analyzing trace with hash 498237168, now seen corresponding path program 1 times [2019-12-07 13:29:36,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:29:36,475 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636257377] [2019-12-07 13:29:36,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:29:36,479 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:29:36,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323895667] [2019-12-07 13:29:36,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1acf5d06-b97a-4ce4-a05b-cd58bd2a7184/bin/uautomizer/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:29:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:29:36,524 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:29:36,811 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 116 [2019-12-07 13:29:36,874 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:29:36,874 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:29:36,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:29:36,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:29:36,874 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:29:36,874 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:29:36,874 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:29:36,874 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:29:36,874 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration8_Lasso [2019-12-07 13:29:36,874 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:29:36,875 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:29:36,876 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 13:29:36,878 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 13:29:36,879 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 13:29:36,881 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 13:29:36,882 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 13:29:36,883 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 13:29:36,884 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 13:29:36,886 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 13:29:36,887 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 13:29:36,888 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 13:29:36,889 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 13:29:36,890 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 13:29:36,891 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 13:29:36,893 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 13:29:36,894 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 13:29:36,895 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 13:29:36,908 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 13:29:36,910 INFO L168 Benchmark]: Toolchain (without parser) took 4679.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 947.8 MB in the beginning and 927.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 169.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:29:36,911 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:29:36,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:29:36,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.69 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 13:29:36,911 INFO L168 Benchmark]: Boogie Preprocessor took 18.30 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 13:29:36,911 INFO L168 Benchmark]: RCFGBuilder took 194.34 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:29:36,912 INFO L168 Benchmark]: BuchiAutomizer took 4139.70 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.0 GB in the beginning and 927.8 MB in the end (delta: 115.5 MB). Peak memory consumption was 178.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:29:36,913 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 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.69 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 18.30 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 194.34 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4139.70 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.0 GB in the beginning and 927.8 MB in the end (delta: 115.5 MB). Peak memory consumption was 178.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...