./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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_0cdef12b-ab80-48ab-8619-447085bc951c/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 0.1.24-6b5699a [2019-11-25 08:47:36,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:36,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:36,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:36,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:36,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:36,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:36,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:36,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:36,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:36,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:36,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:36,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:36,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:36,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:36,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:36,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:36,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:36,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:36,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:36,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:36,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:36,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:36,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:36,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:36,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:36,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:36,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:36,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:36,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:36,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:36,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:36,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:36,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:36,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:36,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:36,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:36,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:36,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:36,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:36,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:36,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:47:36,623 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:36,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:36,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:36,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:36,627 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:36,627 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:47:36,627 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:47:36,627 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:47:36,628 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:47:36,628 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:47:36,629 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:47:36,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:36,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:47:36,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:47:36,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:47:36,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:47:36,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:36,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:47:36,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:47:36,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:47:36,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:47:36,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:36,631 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:47:36,632 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:36,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:47:36,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:36,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:36,632 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:47:36,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:36,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:47:36,633 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:47:36,634 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:47:36,634 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_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:36,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:36,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:36,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:36,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:36,819 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:36,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2019-11-25 08:47:36,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/data/0927a8e5b/bbc9ecc570cd422abd44b7b98472204b/FLAG8149b99fc [2019-11-25 08:47:37,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:37,347 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2019-11-25 08:47:37,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/data/0927a8e5b/bbc9ecc570cd422abd44b7b98472204b/FLAG8149b99fc [2019-11-25 08:47:37,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/data/0927a8e5b/bbc9ecc570cd422abd44b7b98472204b [2019-11-25 08:47:37,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:37,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:37,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:37,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:37,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:37,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:37" (1/1) ... [2019-11-25 08:47:37,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5388ff6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:37, skipping insertion in model container [2019-11-25 08:47:37,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:37" (1/1) ... [2019-11-25 08:47:37,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:37,741 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:38,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:38,081 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:38,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:38,164 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:38,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38 WrapperNode [2019-11-25 08:47:38,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:38,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:38,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:38,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:38,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:38,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:38,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:38,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:38,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... [2019-11-25 08:47:38,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:38,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:38,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:38,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:38,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:47:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:47:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:47:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:47:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:38,661 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:38,661 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-25 08:47:38,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:38 BoogieIcfgContainer [2019-11-25 08:47:38,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:38,663 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:47:38,663 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:47:38,667 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:47:38,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:47:38,668 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:47:37" (1/3) ... [2019-11-25 08:47:38,669 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f4f49d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:47:38, skipping insertion in model container [2019-11-25 08:47:38,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:47:38,670 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:38" (2/3) ... [2019-11-25 08:47:38,670 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f4f49d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:47:38, skipping insertion in model container [2019-11-25 08:47:38,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:47:38,670 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:38" (3/3) ... [2019-11-25 08:47:38,672 INFO L371 chiAutomizerObserver]: Analyzing ICFG array03-alloca-2.i [2019-11-25 08:47:38,732 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:47:38,732 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:47:38,732 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:47:38,732 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:38,733 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:38,733 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:47:38,733 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:38,733 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:47:38,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:47:38,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:47:38,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:38,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:38,780 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:47:38,780 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:47:38,780 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:47:38,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:47:38,783 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:47:38,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:38,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:38,784 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:47:38,784 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:47:38,791 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 11#L532true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 16#L532-2true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 6#L537-3true [2019-11-25 08:47:38,792 INFO L796 eck$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 [2019-11-25 08:47:38,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:38,797 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-25 08:47:38,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:38,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882554774] [2019-11-25 08:47:38,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:38,950 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:38,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:38,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-25 08:47:38,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:38,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684822071] [2019-11-25 08:47:38,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:38,968 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:38,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:38,970 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-25 08:47:38,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:38,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843370921] [2019-11-25 08:47:38,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:39,007 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:39,203 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-25 08:47:39,281 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:47:39,282 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:47:39,282 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:47:39,282 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:47:39,282 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:47:39,282 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:39,282 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:47:39,283 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:47:39,283 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration1_Lasso [2019-11-25 08:47:39,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:47:39,283 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:47:39,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:39,755 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:47:39,760 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:39,774 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 [2019-11-25 08:47:39,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:39,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:39,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:39,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:39,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:39,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:39,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:39,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:39,804 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 [2019-11-25 08:47:39,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:39,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:39,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:39,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:39,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:39,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:39,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:39,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:39,825 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 [2019-11-25 08:47:39,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:39,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:39,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:39,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:39,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:39,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:39,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:39,857 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 [2019-11-25 08:47:39,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:39,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:39,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:39,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:39,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:39,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:39,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:39,883 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 [2019-11-25 08:47:39,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:39,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:39,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:39,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:39,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:39,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:39,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:39,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:39,902 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 [2019-11-25 08:47:39,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:39,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:39,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:39,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:39,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:39,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:39,942 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:47:40,101 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-25 08:47:40,101 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_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:40,116 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:47:40,119 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:47:40,119 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:47:40,120 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] [2019-11-25 08:47:40,135 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-25 08:47:40,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:47:40,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:40,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:47:40,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:40,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:47:40,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:40,255 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 [2019-11-25 08:47:40,256 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-11-25 08:47:40,364 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. [2019-11-25 08:47:40,365 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 [2019-11-25 08:47:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:47:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2019-11-25 08:47:40,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-25 08:47:40,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:40,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-25 08:47:40,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:40,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-25 08:47:40,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:40,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 65 transitions. [2019-11-25 08:47:40,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-25 08:47:40,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 15 states and 21 transitions. [2019-11-25 08:47:40,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-25 08:47:40,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:47:40,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2019-11-25 08:47:40,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:47:40,391 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-25 08:47:40,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2019-11-25 08:47:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-25 08:47:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-25 08:47:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-11-25 08:47:40,424 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-25 08:47:40,425 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-25 08:47:40,425 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:47:40,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2019-11-25 08:47:40,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-25 08:47:40,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:40,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:40,427 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:47:40,428 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:47:40,428 INFO L794 eck$LassoCheckResult]: Stem: 141#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 138#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 139#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 140#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 133#L537-3 assume !(main_~k~0 < main_~array_size~0); 134#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 129#L516-3 [2019-11-25 08:47:40,428 INFO L796 eck$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 [2019-11-25 08:47:40,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:40,429 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-25 08:47:40,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:40,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955590507] [2019-11-25 08:47:40,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:40,537 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955590507] [2019-11-25 08:47:40,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:40,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:47:40,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397281948] [2019-11-25 08:47:40,541 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:47:40,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:40,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 1 times [2019-11-25 08:47:40,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:40,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631615268] [2019-11-25 08:47:40,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:40,558 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:40,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:40,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:47:40,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:40,673 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-25 08:47:40,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:40,703 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2019-11-25 08:47:40,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:47:40,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2019-11-25 08:47:40,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-25 08:47:40,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2019-11-25 08:47:40,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-25 08:47:40,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:47:40,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-11-25 08:47:40,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:47:40,707 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-25 08:47:40,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-11-25 08:47:40,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-25 08:47:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-25 08:47:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-25 08:47:40,709 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-25 08:47:40,709 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-25 08:47:40,709 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:47:40,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-11-25 08:47:40,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-25 08:47:40,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:40,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:40,711 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:40,711 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:47:40,711 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 [2019-11-25 08:47:40,711 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 [2019-11-25 08:47:40,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:40,712 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-25 08:47:40,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:40,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009560683] [2019-11-25 08:47:40,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:40,758 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:40,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 2 times [2019-11-25 08:47:40,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:40,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295995103] [2019-11-25 08:47:40,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:40,792 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:40,793 INFO L82 PathProgramCache]: Analyzing trace with hash -260572169, now seen corresponding path program 1 times [2019-11-25 08:47:40,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:40,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98071619] [2019-11-25 08:47:40,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:40,859 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Exception during sending of exit command (exit): Broken pipe [2019-11-25 08:47:41,191 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-11-25 08:47:41,266 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:47:41,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:47:41,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:47:41,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:47:41,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:47:41,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:41,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:47:41,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:47:41,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration3_Lasso [2019-11-25 08:47:41,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:47:41,267 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:47:41,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,469 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-11-25 08:47:41,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:41,695 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-25 08:47:41,919 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:47:41,919 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:41,931 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 [2019-11-25 08:47:41,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:41,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:41,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:41,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:41,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:41,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:41,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:41,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:41,950 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 [2019-11-25 08:47:41,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:41,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:41,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:41,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:41,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:41,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:41,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:41,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:41,970 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 [2019-11-25 08:47:41,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:41,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:41,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:41,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:41,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:41,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:41,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:41,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:41,988 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 [2019-11-25 08:47:41,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:41,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:41,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:41,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:41,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:41,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:41,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:41,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:42,009 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 [2019-11-25 08:47:42,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:42,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:42,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:42,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:42,019 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 [2019-11-25 08:47:42,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:42,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:42,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,041 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 [2019-11-25 08:47:42,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:42,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:42,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:42,054 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 [2019-11-25 08:47:42,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:42,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:42,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,073 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 [2019-11-25 08:47:42,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:42,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:42,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,080 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,088 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 [2019-11-25 08:47:42,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:42,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:42,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,101 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 [2019-11-25 08:47:42,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:42,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:42,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,116 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 [2019-11-25 08:47:42,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:42,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,133 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 [2019-11-25 08:47:42,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:42,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,153 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 [2019-11-25 08:47:42,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:42,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,174 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 [2019-11-25 08:47:42,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:42,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,197 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 [2019-11-25 08:47:42,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:42,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,216 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 [2019-11-25 08:47:42,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:42,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:42,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:42,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,227 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 [2019-11-25 08:47:42,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:42,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:42,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:42,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:42,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:42,256 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:47:42,295 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-25 08:47:42,296 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_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:42,300 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:42,305 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:47:42,305 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:47:42,305 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 [] [2019-11-25 08:47:42,319 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-25 08:47:42,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:42,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:47:42,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:42,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:47:42,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:42,378 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 [2019-11-25 08:47:42,378 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-25 08:47:42,401 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. [2019-11-25 08:47:42,401 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 [2019-11-25 08:47:42,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:47:42,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2019-11-25 08:47:42,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-25 08:47:42,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:42,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-25 08:47:42,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:42,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 12 letters. [2019-11-25 08:47:42,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:42,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 31 transitions. [2019-11-25 08:47:42,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:42,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 29 transitions. [2019-11-25 08:47:42,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-25 08:47:42,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:47:42,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2019-11-25 08:47:42,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:47:42,406 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-25 08:47:42,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2019-11-25 08:47:42,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-25 08:47:42,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-25 08:47:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2019-11-25 08:47:42,408 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-25 08:47:42,408 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-25 08:47:42,408 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:47:42,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2019-11-25 08:47:42,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:42,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:42,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:42,410 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:42,410 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:47:42,410 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 [2019-11-25 08:47:42,410 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 [2019-11-25 08:47:42,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:42,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1899811566, now seen corresponding path program 1 times [2019-11-25 08:47:42,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:42,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275889356] [2019-11-25 08:47:42,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,434 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:42,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:42,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2019-11-25 08:47:42,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:42,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887074030] [2019-11-25 08:47:42,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:42,438 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:42,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706847740] [2019-11-25 08:47:42,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,478 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:42,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:42,479 INFO L82 PathProgramCache]: Analyzing trace with hash -357812649, now seen corresponding path program 1 times [2019-11-25 08:47:42,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:42,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209956637] [2019-11-25 08:47:42,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:42,486 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:42,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974014801] [2019-11-25 08:47:42,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:42,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:47:42,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:42,588 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 [2019-11-25 08:47:42,589 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:47:42,591 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:47:42,591 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:47:42,592 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:3 [2019-11-25 08:47:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:47:42,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209956637] [2019-11-25 08:47:42,598 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-25 08:47:42,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974014801] [2019-11-25 08:47:42,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:42,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:47:42,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371413125] [2019-11-25 08:47:42,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:42,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:47:42,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:47:42,642 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-25 08:47:42,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:42,719 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2019-11-25 08:47:42,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:47:42,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2019-11-25 08:47:42,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:42,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 31 transitions. [2019-11-25 08:47:42,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:47:42,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:47:42,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 31 transitions. [2019-11-25 08:47:42,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:47:42,722 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2019-11-25 08:47:42,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 31 transitions. [2019-11-25 08:47:42,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-25 08:47:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:47:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-25 08:47:42,724 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-25 08:47:42,724 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-25 08:47:42,724 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:47:42,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-11-25 08:47:42,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:42,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:42,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:42,725 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:42,726 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:47:42,726 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 [2019-11-25 08:47:42,726 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 [2019-11-25 08:47:42,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:42,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-11-25 08:47:42,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:42,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344306743] [2019-11-25 08:47:42,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,749 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:42,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:42,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 2 times [2019-11-25 08:47:42,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:42,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966904978] [2019-11-25 08:47:42,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:42,752 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:42,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803726127] [2019-11-25 08:47:42,752 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:42,787 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-25 08:47:42,787 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-25 08:47:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,793 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:42,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:42,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1792764442, now seen corresponding path program 1 times [2019-11-25 08:47:42,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:42,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979408508] [2019-11-25 08:47:42,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:42,800 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:42,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969520055] [2019-11-25 08:47:42,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:42,867 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:43,154 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-11-25 08:47:43,236 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:47:43,236 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:47:43,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:47:43,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:47:43,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:47:43,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:43,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:47:43,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:47:43,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration5_Lasso [2019-11-25 08:47:43,237 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:47:43,237 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:47:43,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,486 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-25 08:47:43,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:43,938 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:47:43,938 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:43,951 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 [2019-11-25 08:47:43,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:43,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:43,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:43,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:43,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:43,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:43,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:43,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:43,965 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 [2019-11-25 08:47:43,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:43,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:43,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:43,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:43,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:43,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:43,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:43,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:43,973 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 [2019-11-25 08:47:43,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:43,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:43,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:43,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:43,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:43,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:43,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:43,983 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 [2019-11-25 08:47:43,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:43,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:43,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:43,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:43,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:43,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:43,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:43,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:43,997 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 Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:43,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:43,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:43,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:43,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:43,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:44,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:44,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,009 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 [2019-11-25 08:47:44,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:44,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:44,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,024 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 [2019-11-25 08:47:44,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:44,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:44,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:44,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,033 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 [2019-11-25 08:47:44,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:44,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:44,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:44,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,041 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 [2019-11-25 08:47:44,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:44,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:44,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,050 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 [2019-11-25 08:47:44,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:44,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:44,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:44,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,059 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 [2019-11-25 08:47:44,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:44,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:44,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:44,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,068 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 [2019-11-25 08:47:44,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:44,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:44,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:44,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:44,074 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 [2019-11-25 08:47:44,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:44,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:44,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:44,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2019-11-25 08:47:44,083 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 [2019-11-25 08:47:44,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:44,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:44,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,092 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 [2019-11-25 08:47:44,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:44,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:44,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:44,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,099 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 [2019-11-25 08:47:44,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:44,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:44,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:44,117 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 [2019-11-25 08:47:44,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:44,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:44,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:44,152 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 [2019-11-25 08:47:44,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:44,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:44,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:44,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:44,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:44,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:44,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:47:44,189 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-25 08:47:44,189 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_0cdef12b-ab80-48ab-8619-447085bc951c/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) [2019-11-25 08:47:44,193 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:44,196 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:47:44,197 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:47:44,197 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 [] [2019-11-25 08:47:44,240 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:47:44,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:47:44,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:44,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-25 08:47:44,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:44,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-25 08:47:44,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:44,399 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 [2019-11-25 08:47:44,399 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:47:44,571 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. [2019-11-25 08:47:44,572 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 [2019-11-25 08:47:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:47:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2019-11-25 08:47:44,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-25 08:47:44,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:44,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-25 08:47:44,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:44,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-25 08:47:44,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:47:44,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 78 transitions. [2019-11-25 08:47:44,574 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-25 08:47:44,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 54 states and 71 transitions. [2019-11-25 08:47:44,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-25 08:47:44,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-25 08:47:44,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 71 transitions. [2019-11-25 08:47:44,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:47:44,576 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-25 08:47:44,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 71 transitions. [2019-11-25 08:47:44,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 28. [2019-11-25 08:47:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-25 08:47:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2019-11-25 08:47:44,579 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2019-11-25 08:47:44,579 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2019-11-25 08:47:44,579 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:47:44,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2019-11-25 08:47:44,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:44,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:44,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:44,583 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:44,583 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:47:44,583 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 [2019-11-25 08:47:44,583 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 [2019-11-25 08:47:44,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:44,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2019-11-25 08:47:44,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:44,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709769150] [2019-11-25 08:47:44,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:44,627 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:44,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:44,628 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 3 times [2019-11-25 08:47:44,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:44,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342325970] [2019-11-25 08:47:44,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:44,632 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:44,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786500936] [2019-11-25 08:47:44,633 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,669 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-11-25 08:47:44,670 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-25 08:47:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:44,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:44,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:44,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762520, now seen corresponding path program 1 times [2019-11-25 08:47:44,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:44,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667171346] [2019-11-25 08:47:44,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:44,681 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:44,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1771808417] [2019-11-25 08:47:44,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:44,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:47:44,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:44,739 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 [2019-11-25 08:47:44,740 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:47:44,741 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:47:44,742 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:47:44,742 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-11-25 08:47:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:47:44,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667171346] [2019-11-25 08:47:44,752 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-25 08:47:44,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771808417] [2019-11-25 08:47:44,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:44,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:47:44,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402208571] [2019-11-25 08:47:44,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:44,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:47:44,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:47:44,792 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 15 Second operand 5 states. [2019-11-25 08:47:44,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:44,852 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2019-11-25 08:47:44,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:47:44,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2019-11-25 08:47:44,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:44,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 38 transitions. [2019-11-25 08:47:44,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:47:44,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:47:44,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2019-11-25 08:47:44,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:47:44,854 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-25 08:47:44,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2019-11-25 08:47:44,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2019-11-25 08:47:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-25 08:47:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2019-11-25 08:47:44,857 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-25 08:47:44,857 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-25 08:47:44,857 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:47:44,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2019-11-25 08:47:44,858 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:44,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:44,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:44,858 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:44,858 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:47:44,859 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 [2019-11-25 08:47:44,859 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 [2019-11-25 08:47:44,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1699551859, now seen corresponding path program 1 times [2019-11-25 08:47:44,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:44,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086989998] [2019-11-25 08:47:44,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:44,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086989998] [2019-11-25 08:47:44,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730073862] [2019-11-25 08:47:44,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:45,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:47:45,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:45,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:47:45,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-11-25 08:47:45,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024890752] [2019-11-25 08:47:45,146 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:47:45,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:45,146 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 4 times [2019-11-25 08:47:45,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:45,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433621666] [2019-11-25 08:47:45,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:45,148 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:45,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735062732] [2019-11-25 08:47:45,149 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:45,189 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-25 08:47:45,189 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-25 08:47:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:45,194 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:45,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:45,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-25 08:47:45,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-11-25 08:47:45,275 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. cyclomatic complexity: 13 Second operand 13 states. [2019-11-25 08:47:45,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:45,487 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2019-11-25 08:47:45,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:47:45,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 57 transitions. [2019-11-25 08:47:45,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:45,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 29 states and 37 transitions. [2019-11-25 08:47:45,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:47:45,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:47:45,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2019-11-25 08:47:45,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:47:45,490 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-11-25 08:47:45,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2019-11-25 08:47:45,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-11-25 08:47:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-25 08:47:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-25 08:47:45,492 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-25 08:47:45,492 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-25 08:47:45,493 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-25 08:47:45,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-11-25 08:47:45,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:47:45,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:45,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:45,494 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:45,494 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:47:45,494 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 [2019-11-25 08:47:45,499 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 [2019-11-25 08:47:45,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:45,499 INFO L82 PathProgramCache]: Analyzing trace with hash -70989845, now seen corresponding path program 2 times [2019-11-25 08:47:45,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:45,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513251835] [2019-11-25 08:47:45,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:45,545 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:45,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:45,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 5 times [2019-11-25 08:47:45,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:45,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036362930] [2019-11-25 08:47:45,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:45,547 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:45,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606189967] [2019-11-25 08:47:45,548 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:45,580 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-25 08:47:45,581 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-25 08:47:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:45,586 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:45,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:45,586 INFO L82 PathProgramCache]: Analyzing trace with hash 498237168, now seen corresponding path program 1 times [2019-11-25 08:47:45,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:45,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067226210] [2019-11-25 08:47:45,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:45,593 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:47:45,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962016508] [2019-11-25 08:47:45,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdef12b-ab80-48ab-8619-447085bc951c/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 [2019-11-25 08:47:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:45,664 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:46,073 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 116 [2019-11-25 08:47:46,166 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:47:46,166 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:47:46,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:47:46,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:47:46,167 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:47:46,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:46,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:47:46,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:47:46,167 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration8_Lasso [2019-11-25 08:47:46,167 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:47:46,167 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:47:46,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:46,242 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) [2019-11-25 08:47:46,244 INFO L168 Benchmark]: Toolchain (without parser) took 8552.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 947.5 MB in the beginning and 936.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 205.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:46,245 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:46,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:46,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:46,248 INFO L168 Benchmark]: Boogie Preprocessor took 27.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:46,248 INFO L168 Benchmark]: RCFGBuilder took 419.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:46,249 INFO L168 Benchmark]: BuchiAutomizer took 7580.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 936.8 MB in the end (delta: 161.6 MB). Peak memory consumption was 213.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:46,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 472.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 419.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7580.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 936.8 MB in the end (delta: 161.6 MB). Peak memory consumption was 213.0 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...