./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d3cc6bed79d5f36ef86c37a4cddb412902bd9be ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:08:05,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:08:05,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:08:05,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:08:05,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:08:05,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:08:05,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:08:05,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:08:05,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:08:05,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:08:05,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:08:05,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:08:05,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:08:05,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:08:05,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:08:05,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:08:05,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:08:05,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:08:05,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:08:05,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:08:05,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:08:05,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:08:05,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:08:05,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:08:05,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:08:05,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:08:05,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:08:05,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:08:05,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:08:05,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:08:05,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:08:05,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:08:05,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:08:05,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:08:05,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:08:05,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:08:05,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:08:05,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:08:05,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:08:05,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:08:05,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:08:05,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 10:08:05,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:08:05,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:08:05,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:08:05,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:08:05,745 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:08:05,745 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:08:05,745 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:08:05,745 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:08:05,746 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:08:05,746 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:08:05,746 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:08:05,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:08:05,746 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:08:05,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:08:05,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:08:05,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:08:05,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:08:05,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:08:05,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:08:05,747 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:08:05,747 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:08:05,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:08:05,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:08:05,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:08:05,748 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:08:05,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:08:05,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:08:05,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:08:05,748 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:08:05,749 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:08:05,749 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_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d3cc6bed79d5f36ef86c37a4cddb412902bd9be [2019-12-07 10:08:05,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:08:05,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:08:05,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:08:05,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:08:05,859 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:08:05,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i [2019-12-07 10:08:05,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/data/33828fe13/a232d67f88794f17a2597b4b07e6cf4d/FLAGf20625ef0 [2019-12-07 10:08:06,405 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:08:06,405 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/sv-benchmarks/c/termination-memory-alloca/Urban-alloca.i [2019-12-07 10:08:06,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/data/33828fe13/a232d67f88794f17a2597b4b07e6cf4d/FLAGf20625ef0 [2019-12-07 10:08:06,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/data/33828fe13/a232d67f88794f17a2597b4b07e6cf4d [2019-12-07 10:08:06,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:08:06,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:08:06,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:06,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:08:06,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:08:06,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3357ba65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06, skipping insertion in model container [2019-12-07 10:08:06,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:08:06,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:08:06,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:06,680 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:08:06,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:06,742 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:08:06,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06 WrapperNode [2019-12-07 10:08:06,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:06,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:06,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:08:06,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:08:06,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:06,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:08:06,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:08:06,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:08:06,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... [2019-12-07 10:08:06,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:08:06,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:08:06,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:08:06,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:08:06,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:08:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:08:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:08:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:08:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:08:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:08:06,990 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:08:06,990 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 10:08:06,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:06 BoogieIcfgContainer [2019-12-07 10:08:06,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:08:06,992 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:08:06,992 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:08:06,994 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:08:06,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:06,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:08:06" (1/3) ... [2019-12-07 10:08:06,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69f5aebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:08:06, skipping insertion in model container [2019-12-07 10:08:06,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:06,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:06" (2/3) ... [2019-12-07 10:08:06,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69f5aebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:08:06, skipping insertion in model container [2019-12-07 10:08:06,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:06,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:06" (3/3) ... [2019-12-07 10:08:06,997 INFO L371 chiAutomizerObserver]: Analyzing ICFG Urban-alloca.i [2019-12-07 10:08:07,025 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:08:07,025 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:08:07,025 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:08:07,025 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:08:07,025 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:08:07,025 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:08:07,025 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:08:07,026 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:08:07,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 10:08:07,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 10:08:07,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:07,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:07,053 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 10:08:07,053 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:07,053 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:08:07,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 10:08:07,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 10:08:07,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:07,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:07,054 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 10:08:07,054 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:07,059 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 8#L559-2true [2019-12-07 10:08:07,059 INFO L796 eck$LassoCheckResult]: Loop: 8#L559-2true call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 13#L550-1true assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 6#L550-3true assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 9#L551true assume main_#t~mem7 > 0;havoc main_#t~mem7; 7#L552true assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 8#L559-2true [2019-12-07 10:08:07,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:07,063 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 10:08:07,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:07,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172628666] [2019-12-07 10:08:07,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:07,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:07,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:07,152 INFO L82 PathProgramCache]: Analyzing trace with hash 35409681, now seen corresponding path program 1 times [2019-12-07 10:08:07,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:07,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917159245] [2019-12-07 10:08:07,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:07,182 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:07,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:07,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849167, now seen corresponding path program 1 times [2019-12-07 10:08:07,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:07,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717823532] [2019-12-07 10:08:07,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:07,221 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:07,346 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2019-12-07 10:08:07,503 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:07,504 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:07,504 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:07,504 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:07,504 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:07,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:07,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:07,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:07,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration1_Lasso [2019-12-07 10:08:07,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:07,505 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:07,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:07,916 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:07,919 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:07,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:07,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:07,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:07,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:07,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:07,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:07,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:07,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:07,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:07,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:07,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:07,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:07,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:07,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:07,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:07,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:07,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:07,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:07,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:07,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:07,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:07,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:07,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:07,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:07,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:07,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:07,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:07,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:07,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:07,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:07,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:07,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:07,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:07,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:07,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:07,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:07,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:07,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:07,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:07,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:07,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:07,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:07,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:08:07,994 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:08:07,995 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:07,999 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:08:07,999 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:08:07,999 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:08:08,000 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2019-12-07 10:08:08,027 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 10:08:08,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:08:08,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:08,081 INFO L264 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 10:08:08,082 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:08,097 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:08:08,097 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:08,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:08,154 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 10:08:08,155 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 5 states. [2019-12-07 10:08:08,294 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 5 states. Result 54 states and 72 transitions. Complement of second has 12 states. [2019-12-07 10:08:08,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:08,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:08:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2019-12-07 10:08:08,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 2 letters. Loop has 5 letters. [2019-12-07 10:08:08,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:08,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 7 letters. Loop has 5 letters. [2019-12-07 10:08:08,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:08,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 2 letters. Loop has 10 letters. [2019-12-07 10:08:08,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:08,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 72 transitions. [2019-12-07 10:08:08,305 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-12-07 10:08:08,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 28 states and 43 transitions. [2019-12-07 10:08:08,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 10:08:08,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-12-07 10:08:08,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 43 transitions. [2019-12-07 10:08:08,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:08,311 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 43 transitions. [2019-12-07 10:08:08,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 43 transitions. [2019-12-07 10:08:08,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2019-12-07 10:08:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 10:08:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 30 transitions. [2019-12-07 10:08:08,337 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 30 transitions. [2019-12-07 10:08:08,337 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 30 transitions. [2019-12-07 10:08:08,337 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:08:08,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 30 transitions. [2019-12-07 10:08:08,338 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-12-07 10:08:08,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:08,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:08,339 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 10:08:08,339 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:08,339 INFO L794 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 172#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 173#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 184#L550-1 [2019-12-07 10:08:08,339 INFO L796 eck$LassoCheckResult]: Loop: 184#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 174#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 175#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 179#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 180#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 184#L550-1 [2019-12-07 10:08:08,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:08,340 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-12-07 10:08:08,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:08,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483991322] [2019-12-07 10:08:08,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:08,362 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:08,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:08,363 INFO L82 PathProgramCache]: Analyzing trace with hash 38421593, now seen corresponding path program 1 times [2019-12-07 10:08:08,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:08,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160640878] [2019-12-07 10:08:08,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:08,382 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:08,383 INFO L82 PathProgramCache]: Analyzing trace with hash 177749398, now seen corresponding path program 1 times [2019-12-07 10:08:08,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:08,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526045024] [2019-12-07 10:08:08,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:08,414 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:08,608 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-07 10:08:08,808 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-12-07 10:08:08,809 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:08,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:08,810 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:08,810 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:08,810 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:08,810 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:08,810 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:08,810 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:08,810 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration2_Lasso [2019-12-07 10:08:08,810 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:08,810 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:08,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:08,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:09,047 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-12-07 10:08:09,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:09,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:09,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:09,385 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:09,385 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:09,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:09,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:09,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:09,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:09,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:09,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:09,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:09,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:09,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:09,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:09,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:09,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:09,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:09,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:09,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:09,500 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:08:09,504 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:08:09,504 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:09,507 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:08:09,507 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:08:09,507 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:08:09,507 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2 Supporting invariants [] [2019-12-07 10:08:09,529 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 10:08:09,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:08:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:09,544 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:09,544 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:09,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:08:09,549 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:09,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:09,596 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 32 treesize of output 16 [2019-12-07 10:08:09,597 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:09,600 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:09,601 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:09,601 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2019-12-07 10:08:09,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:09,609 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 10:08:09,609 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 10:08:09,638 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 30 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 43 states and 66 transitions. Complement of second has 9 states. [2019-12-07 10:08:09,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:08:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 10:08:09,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 5 letters. [2019-12-07 10:08:09,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:09,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 5 letters. [2019-12-07 10:08:09,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:09,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 10 letters. [2019-12-07 10:08:09,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:09,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 66 transitions. [2019-12-07 10:08:09,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-12-07 10:08:09,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 64 transitions. [2019-12-07 10:08:09,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 10:08:09,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 10:08:09,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 64 transitions. [2019-12-07 10:08:09,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:09,643 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 64 transitions. [2019-12-07 10:08:09,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 64 transitions. [2019-12-07 10:08:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2019-12-07 10:08:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 10:08:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 61 transitions. [2019-12-07 10:08:09,646 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 61 transitions. [2019-12-07 10:08:09,646 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 61 transitions. [2019-12-07 10:08:09,646 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 10:08:09,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 61 transitions. [2019-12-07 10:08:09,647 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-12-07 10:08:09,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:09,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:09,648 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 10:08:09,648 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:09,648 INFO L794 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 332#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 333#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 357#L550-1 assume !main_#t~short6; 353#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 347#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 348#L559 [2019-12-07 10:08:09,648 INFO L796 eck$LassoCheckResult]: Loop: 348#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 343#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 344#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 350#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 351#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 348#L559 [2019-12-07 10:08:09,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:09,648 INFO L82 PathProgramCache]: Analyzing trace with hash 889571379, now seen corresponding path program 1 times [2019-12-07 10:08:09,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:09,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303720317] [2019-12-07 10:08:09,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:09,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303720317] [2019-12-07 10:08:09,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:09,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:08:09,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976057640] [2019-12-07 10:08:09,673 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:08:09,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:09,673 INFO L82 PathProgramCache]: Analyzing trace with hash 58400557, now seen corresponding path program 1 times [2019-12-07 10:08:09,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:09,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527358448] [2019-12-07 10:08:09,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:09,684 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:09,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:09,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:08:09,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:08:09,763 INFO L87 Difference]: Start difference. First operand 39 states and 61 transitions. cyclomatic complexity: 27 Second operand 3 states. [2019-12-07 10:08:09,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:09,773 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2019-12-07 10:08:09,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:08:09,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 61 transitions. [2019-12-07 10:08:09,776 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-12-07 10:08:09,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 39 states and 50 transitions. [2019-12-07 10:08:09,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 10:08:09,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 10:08:09,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 50 transitions. [2019-12-07 10:08:09,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:09,777 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2019-12-07 10:08:09,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 50 transitions. [2019-12-07 10:08:09,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-12-07 10:08:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 10:08:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2019-12-07 10:08:09,781 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2019-12-07 10:08:09,781 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2019-12-07 10:08:09,781 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 10:08:09,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 50 transitions. [2019-12-07 10:08:09,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-12-07 10:08:09,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:09,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:09,783 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 10:08:09,783 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:09,783 INFO L794 eck$LassoCheckResult]: Stem: 429#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 423#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 424#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 434#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 447#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 438#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 439#L559 [2019-12-07 10:08:09,783 INFO L796 eck$LassoCheckResult]: Loop: 439#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 445#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 450#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 425#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 426#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 439#L559 [2019-12-07 10:08:09,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:09,783 INFO L82 PathProgramCache]: Analyzing trace with hash 889569457, now seen corresponding path program 1 times [2019-12-07 10:08:09,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:09,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679338376] [2019-12-07 10:08:09,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:09,800 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:09,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:09,800 INFO L82 PathProgramCache]: Analyzing trace with hash 58400557, now seen corresponding path program 2 times [2019-12-07 10:08:09,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:09,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304609702] [2019-12-07 10:08:09,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:09,809 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:09,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:09,810 INFO L82 PathProgramCache]: Analyzing trace with hash -127775619, now seen corresponding path program 1 times [2019-12-07 10:08:09,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:09,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824152629] [2019-12-07 10:08:09,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:09,828 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:10,031 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2019-12-07 10:08:10,076 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:10,076 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:10,076 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:10,076 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:10,076 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:10,076 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,076 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:10,076 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:10,076 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration4_Lasso [2019-12-07 10:08:10,076 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:10,076 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:10,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,283 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-12-07 10:08:10,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:10,593 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:10,594 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:10,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:10,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:10,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:10,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:10,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:10,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:10,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:10,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:10,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:10,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:10,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:10,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:10,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:10,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:10,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:10,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:10,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:10,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:10,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:10,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:10,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:10,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:10,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:10,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:10,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:10,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:10,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:10,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:10,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:10,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:10,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:10,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:10,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:10,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:10,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:10,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:08:10,717 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 10:08:10,718 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:10,722 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:08:10,724 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:08:10,725 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:08:10,725 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3 Supporting invariants [] [2019-12-07 10:08:10,749 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 10:08:10,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:08:10,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:10,766 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:10,767 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:10,771 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:08:10,772 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:10,775 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2019-12-07 10:08:10,775 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:10,776 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:10,777 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:10,777 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2019-12-07 10:08:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:10,788 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 10:08:10,789 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 50 transitions. cyclomatic complexity: 16 Second operand 4 states. [2019-12-07 10:08:10,829 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 50 transitions. cyclomatic complexity: 16. Second operand 4 states. Result 65 states and 85 transitions. Complement of second has 9 states. [2019-12-07 10:08:10,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 10:08:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2019-12-07 10:08:10,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 5 letters. [2019-12-07 10:08:10,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:10,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 11 letters. Loop has 5 letters. [2019-12-07 10:08:10,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:10,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 10 letters. [2019-12-07 10:08:10,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:10,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 85 transitions. [2019-12-07 10:08:10,833 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2019-12-07 10:08:10,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 64 states and 84 transitions. [2019-12-07 10:08:10,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2019-12-07 10:08:10,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2019-12-07 10:08:10,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 84 transitions. [2019-12-07 10:08:10,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:10,834 INFO L688 BuchiCegarLoop]: Abstraction has 64 states and 84 transitions. [2019-12-07 10:08:10,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 84 transitions. [2019-12-07 10:08:10,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2019-12-07 10:08:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-12-07 10:08:10,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2019-12-07 10:08:10,839 INFO L711 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2019-12-07 10:08:10,839 INFO L591 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2019-12-07 10:08:10,839 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 10:08:10,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 80 transitions. [2019-12-07 10:08:10,840 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2019-12-07 10:08:10,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:10,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:10,841 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:10,841 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1] [2019-12-07 10:08:10,841 INFO L794 eck$LassoCheckResult]: Stem: 634#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 632#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 633#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 643#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 671#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 664#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 660#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 661#L559-2 [2019-12-07 10:08:10,841 INFO L796 eck$LassoCheckResult]: Loop: 661#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 672#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 635#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 636#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 647#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 676#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 648#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 649#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 666#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 667#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 661#L559-2 [2019-12-07 10:08:10,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:10,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849423, now seen corresponding path program 2 times [2019-12-07 10:08:10,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:10,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155312278] [2019-12-07 10:08:10,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:10,856 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:10,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:10,857 INFO L82 PathProgramCache]: Analyzing trace with hash -552559553, now seen corresponding path program 1 times [2019-12-07 10:08:10,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:10,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458678157] [2019-12-07 10:08:10,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:10,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:10,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458678157] [2019-12-07 10:08:10,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:10,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 10:08:10,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788125503] [2019-12-07 10:08:10,937 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:08:10,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:10,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 10:08:10,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:08:10,937 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. cyclomatic complexity: 26 Second operand 7 states. [2019-12-07 10:08:10,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:10,996 INFO L93 Difference]: Finished difference Result 83 states and 100 transitions. [2019-12-07 10:08:10,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:08:10,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 100 transitions. [2019-12-07 10:08:10,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2019-12-07 10:08:10,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 67 states and 83 transitions. [2019-12-07 10:08:10,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2019-12-07 10:08:10,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2019-12-07 10:08:10,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 83 transitions. [2019-12-07 10:08:11,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:11,000 INFO L688 BuchiCegarLoop]: Abstraction has 67 states and 83 transitions. [2019-12-07 10:08:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 83 transitions. [2019-12-07 10:08:11,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 46. [2019-12-07 10:08:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 10:08:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2019-12-07 10:08:11,003 INFO L711 BuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2019-12-07 10:08:11,003 INFO L591 BuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2019-12-07 10:08:11,003 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 10:08:11,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 59 transitions. [2019-12-07 10:08:11,004 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2019-12-07 10:08:11,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:11,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:11,004 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:11,004 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:11,004 INFO L794 eck$LassoCheckResult]: Stem: 795#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 789#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 790#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 824#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 823#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 816#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 814#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 800#L559-2 [2019-12-07 10:08:11,005 INFO L796 eck$LassoCheckResult]: Loop: 800#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 801#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 791#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 792#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 804#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 800#L559-2 [2019-12-07 10:08:11,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:11,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849423, now seen corresponding path program 3 times [2019-12-07 10:08:11,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:11,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887494754] [2019-12-07 10:08:11,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,019 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:11,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:11,020 INFO L82 PathProgramCache]: Analyzing trace with hash 35409683, now seen corresponding path program 2 times [2019-12-07 10:08:11,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:11,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606788870] [2019-12-07 10:08:11,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,029 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:11,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:11,029 INFO L82 PathProgramCache]: Analyzing trace with hash 333922885, now seen corresponding path program 1 times [2019-12-07 10:08:11,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:11,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417946382] [2019-12-07 10:08:11,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:11,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417946382] [2019-12-07 10:08:11,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821050538] [2019-12-07 10:08:11,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:08:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:11,124 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:08:11,125 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:11,150 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 33 treesize of output 17 [2019-12-07 10:08:11,151 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:11,154 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:11,154 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:11,154 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:16 [2019-12-07 10:08:11,160 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 11 [2019-12-07 10:08:11,162 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:11,165 INFO L614 ElimStorePlain]: treesize reduction 4, result has 42.9 percent of original size [2019-12-07 10:08:11,165 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:11,165 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2019-12-07 10:08:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:11,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:08:11,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2019-12-07 10:08:11,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859169453] [2019-12-07 10:08:11,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:11,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 10:08:11,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:08:11,243 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. cyclomatic complexity: 18 Second operand 10 states. [2019-12-07 10:08:11,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:11,313 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2019-12-07 10:08:11,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:08:11,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2019-12-07 10:08:11,314 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2019-12-07 10:08:11,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 50 states and 61 transitions. [2019-12-07 10:08:11,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-12-07 10:08:11,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2019-12-07 10:08:11,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 61 transitions. [2019-12-07 10:08:11,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:11,314 INFO L688 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-12-07 10:08:11,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 61 transitions. [2019-12-07 10:08:11,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-12-07 10:08:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-12-07 10:08:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2019-12-07 10:08:11,317 INFO L711 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-12-07 10:08:11,317 INFO L591 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-12-07 10:08:11,317 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 10:08:11,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 61 transitions. [2019-12-07 10:08:11,318 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2019-12-07 10:08:11,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:11,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:11,318 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:11,318 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:11,318 INFO L794 eck$LassoCheckResult]: Stem: 947#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 941#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 942#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 959#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 960#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 956#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 957#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 964#L559-2 [2019-12-07 10:08:11,318 INFO L796 eck$LassoCheckResult]: Loop: 964#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 977#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 974#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 971#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 962#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 964#L559-2 [2019-12-07 10:08:11,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:11,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849425, now seen corresponding path program 1 times [2019-12-07 10:08:11,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:11,319 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354710441] [2019-12-07 10:08:11,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,333 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:11,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:11,333 INFO L82 PathProgramCache]: Analyzing trace with hash 35409939, now seen corresponding path program 1 times [2019-12-07 10:08:11,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:11,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493070094] [2019-12-07 10:08:11,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,344 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:11,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:11,345 INFO L82 PathProgramCache]: Analyzing trace with hash 391181443, now seen corresponding path program 2 times [2019-12-07 10:08:11,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:11,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484890934] [2019-12-07 10:08:11,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:11,367 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:11,612 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2019-12-07 10:08:11,659 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:11,659 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:11,659 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:11,659 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:11,659 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:11,659 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:11,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:11,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:11,659 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration7_Lasso [2019-12-07 10:08:11,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:11,660 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:11,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:11,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,023 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:12,024 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,041 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 [2019-12-07 10:08:12,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,083 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 [2019-12-07 10:08:12,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:12,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:12,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:12,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:12,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:12,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:12,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:12,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:12,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:12,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:12,181 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:08:12,186 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 10:08:12,186 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,189 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:08:12,190 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:08:12,191 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:08:12,191 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_4 Supporting invariants [] [2019-12-07 10:08:12,211 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 10:08:12,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:08:12,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:12,227 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:12,227 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:12,233 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 10:08:12,233 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:12,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:12,266 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 10:08:12,267 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 61 transitions. cyclomatic complexity: 16 Second operand 6 states. [2019-12-07 10:08:12,312 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 61 transitions. cyclomatic complexity: 16. Second operand 6 states. Result 78 states and 95 transitions. Complement of second has 11 states. [2019-12-07 10:08:12,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 10:08:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-12-07 10:08:12,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 5 letters. [2019-12-07 10:08:12,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:12,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 12 letters. Loop has 5 letters. [2019-12-07 10:08:12,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:12,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 10 letters. [2019-12-07 10:08:12,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:12,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 95 transitions. [2019-12-07 10:08:12,315 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 29 [2019-12-07 10:08:12,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 73 states and 89 transitions. [2019-12-07 10:08:12,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2019-12-07 10:08:12,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2019-12-07 10:08:12,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 89 transitions. [2019-12-07 10:08:12,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:12,316 INFO L688 BuchiCegarLoop]: Abstraction has 73 states and 89 transitions. [2019-12-07 10:08:12,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 89 transitions. [2019-12-07 10:08:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2019-12-07 10:08:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 10:08:12,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2019-12-07 10:08:12,320 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 80 transitions. [2019-12-07 10:08:12,320 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 80 transitions. [2019-12-07 10:08:12,320 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 10:08:12,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 80 transitions. [2019-12-07 10:08:12,321 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2019-12-07 10:08:12,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:12,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:12,321 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2019-12-07 10:08:12,322 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:12,322 INFO L794 eck$LassoCheckResult]: Stem: 1187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1181#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 1182#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1224#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1221#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1218#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 1216#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 1213#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1214#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1238#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1242#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1207#L552 [2019-12-07 10:08:12,322 INFO L796 eck$LassoCheckResult]: Loop: 1207#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 1239#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1240#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1212#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1208#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1207#L552 [2019-12-07 10:08:12,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:12,322 INFO L82 PathProgramCache]: Analyzing trace with hash -125928585, now seen corresponding path program 1 times [2019-12-07 10:08:12,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:12,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547203442] [2019-12-07 10:08:12,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:12,339 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:12,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:12,339 INFO L82 PathProgramCache]: Analyzing trace with hash 51012381, now seen corresponding path program 2 times [2019-12-07 10:08:12,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:12,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111450031] [2019-12-07 10:08:12,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:12,348 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:12,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:12,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1455202663, now seen corresponding path program 1 times [2019-12-07 10:08:12,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:12,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083509343] [2019-12-07 10:08:12,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:12,364 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:12,645 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2019-12-07 10:08:12,692 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:12,692 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:12,692 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:12,692 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:12,692 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:12,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:12,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:12,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:12,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration8_Lasso [2019-12-07 10:08:12,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:12,692 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:12,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:12,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:13,065 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:13,065 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:13,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:13,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:13,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:13,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:13,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:13,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:13,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:13,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:13,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:13,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:13,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:13,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:13,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:13,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:13,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:13,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:13,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:13,088 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 [2019-12-07 10:08:13,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:13,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:13,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:13,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:13,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:13,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:13,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:13,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:13,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:13,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:13,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:13,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:13,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:13,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:13,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:13,116 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 [2019-12-07 10:08:13,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:13,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:13,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:13,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:13,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:13,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:13,124 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:08:13,130 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 10:08:13,130 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:13,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:08:13,134 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:08:13,135 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:08:13,135 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_5 Supporting invariants [] [2019-12-07 10:08:13,159 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 10:08:13,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:08:13,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:13,185 INFO L264 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 10:08:13,186 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:13,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:13,219 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:13,219 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2019-12-07 10:08:13,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:13,220 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-12-07 10:08:13,225 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:13,225 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:13,225 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:10 [2019-12-07 10:08:13,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:13,241 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:08:13,242 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:13,246 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2019-12-07 10:08:13,246 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:13,251 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:13,251 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:13,251 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:14 [2019-12-07 10:08:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:13,272 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2019-12-07 10:08:13,272 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 22 Second operand 8 states. [2019-12-07 10:08:13,384 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 22. Second operand 8 states. Result 169 states and 208 transitions. Complement of second has 11 states. [2019-12-07 10:08:13,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 10:08:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 25 transitions. [2019-12-07 10:08:13,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 25 transitions. Stem has 11 letters. Loop has 5 letters. [2019-12-07 10:08:13,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:13,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 25 transitions. Stem has 16 letters. Loop has 5 letters. [2019-12-07 10:08:13,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:13,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 25 transitions. Stem has 11 letters. Loop has 10 letters. [2019-12-07 10:08:13,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:13,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 208 transitions. [2019-12-07 10:08:13,386 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 34 [2019-12-07 10:08:13,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 149 states and 187 transitions. [2019-12-07 10:08:13,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-12-07 10:08:13,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2019-12-07 10:08:13,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 187 transitions. [2019-12-07 10:08:13,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:13,388 INFO L688 BuchiCegarLoop]: Abstraction has 149 states and 187 transitions. [2019-12-07 10:08:13,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 187 transitions. [2019-12-07 10:08:13,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 122. [2019-12-07 10:08:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 10:08:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 157 transitions. [2019-12-07 10:08:13,393 INFO L711 BuchiCegarLoop]: Abstraction has 122 states and 157 transitions. [2019-12-07 10:08:13,393 INFO L591 BuchiCegarLoop]: Abstraction has 122 states and 157 transitions. [2019-12-07 10:08:13,393 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-12-07 10:08:13,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 157 transitions. [2019-12-07 10:08:13,394 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 29 [2019-12-07 10:08:13,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:13,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:13,394 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:13,394 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:13,394 INFO L794 eck$LassoCheckResult]: Stem: 1555#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1549#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 1550#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1608#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1612#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1622#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1617#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 1616#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1561#L550-1 [2019-12-07 10:08:13,394 INFO L796 eck$LassoCheckResult]: Loop: 1561#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 1551#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1552#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 1556#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 1557#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 1561#L550-1 [2019-12-07 10:08:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:13,394 INFO L82 PathProgramCache]: Analyzing trace with hash 177749336, now seen corresponding path program 2 times [2019-12-07 10:08:13,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:13,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751325186] [2019-12-07 10:08:13,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:13,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:13,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:13,406 INFO L82 PathProgramCache]: Analyzing trace with hash 38421593, now seen corresponding path program 3 times [2019-12-07 10:08:13,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:13,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261915168] [2019-12-07 10:08:13,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:13,412 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:13,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:13,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2100968094, now seen corresponding path program 1 times [2019-12-07 10:08:13,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:13,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667471233] [2019-12-07 10:08:13,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:13,426 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:13,606 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-07 10:08:13,816 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 85 [2019-12-07 10:08:14,117 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2019-12-07 10:08:14,120 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:14,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:14,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:14,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:14,120 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:14,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,120 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:14,120 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:14,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration9_Lasso [2019-12-07 10:08:14,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:14,120 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:14,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,342 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-12-07 10:08:14,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:14,666 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:14,666 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:14,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:14,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:14,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:14,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:14,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:14,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:14,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:14,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:14,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:14,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:14,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:14,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:14,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:14,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:14,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:14,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,729 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 10:08:14,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,731 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 10:08:14,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:14,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:14,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:14,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:14,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:14,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:14,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:14,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:14,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:14,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:14,757 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:08:14,764 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 10:08:14,764 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:14,767 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:08:14,769 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:08:14,769 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:08:14,769 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6 Supporting invariants [] [2019-12-07 10:08:14,807 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 10:08:14,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:08:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:14,825 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:14,825 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:14,831 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:08:14,831 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:14,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:14,856 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 32 treesize of output 16 [2019-12-07 10:08:14,857 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:14,860 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:14,860 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:14,860 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2019-12-07 10:08:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:14,868 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 10:08:14,868 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 157 transitions. cyclomatic complexity: 48 Second operand 5 states. [2019-12-07 10:08:14,895 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 157 transitions. cyclomatic complexity: 48. Second operand 5 states. Result 147 states and 182 transitions. Complement of second has 9 states. [2019-12-07 10:08:14,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:08:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-12-07 10:08:14,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 5 letters. [2019-12-07 10:08:14,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:14,896 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 10:08:14,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:14,914 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:14,914 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:14,919 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:08:14,919 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:14,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:14,942 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 32 treesize of output 16 [2019-12-07 10:08:14,942 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:14,955 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:14,955 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:14,955 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2019-12-07 10:08:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:14,968 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 10:08:14,968 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 157 transitions. cyclomatic complexity: 48 Second operand 5 states. [2019-12-07 10:08:14,995 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 157 transitions. cyclomatic complexity: 48. Second operand 5 states. Result 145 states and 182 transitions. Complement of second has 9 states. [2019-12-07 10:08:14,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:08:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2019-12-07 10:08:14,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 5 letters. [2019-12-07 10:08:14,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:14,996 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 10:08:15,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:15,010 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:15,011 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:15,015 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:08:15,016 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:15,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:15,041 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 32 treesize of output 16 [2019-12-07 10:08:15,041 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:15,044 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:15,044 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:15,045 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2019-12-07 10:08:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:15,052 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 10:08:15,053 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 157 transitions. cyclomatic complexity: 48 Second operand 5 states. [2019-12-07 10:08:15,076 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 157 transitions. cyclomatic complexity: 48. Second operand 5 states. Result 214 states and 257 transitions. Complement of second has 8 states. [2019-12-07 10:08:15,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:08:15,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2019-12-07 10:08:15,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 5 letters. [2019-12-07 10:08:15,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:15,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 13 letters. Loop has 5 letters. [2019-12-07 10:08:15,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:15,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 10 letters. [2019-12-07 10:08:15,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:15,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 257 transitions. [2019-12-07 10:08:15,079 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 25 [2019-12-07 10:08:15,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 157 states and 195 transitions. [2019-12-07 10:08:15,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2019-12-07 10:08:15,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2019-12-07 10:08:15,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 195 transitions. [2019-12-07 10:08:15,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:15,080 INFO L688 BuchiCegarLoop]: Abstraction has 157 states and 195 transitions. [2019-12-07 10:08:15,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 195 transitions. [2019-12-07 10:08:15,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 122. [2019-12-07 10:08:15,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 10:08:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 154 transitions. [2019-12-07 10:08:15,084 INFO L711 BuchiCegarLoop]: Abstraction has 122 states and 154 transitions. [2019-12-07 10:08:15,084 INFO L591 BuchiCegarLoop]: Abstraction has 122 states and 154 transitions. [2019-12-07 10:08:15,084 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-12-07 10:08:15,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 154 transitions. [2019-12-07 10:08:15,085 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2019-12-07 10:08:15,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:15,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:15,085 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1] [2019-12-07 10:08:15,085 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:08:15,085 INFO L794 eck$LassoCheckResult]: Stem: 2400#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2394#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 2395#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 2482#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 2442#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 2443#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 2431#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 2433#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 2460#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 2459#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 2458#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 2415#L559 [2019-12-07 10:08:15,085 INFO L796 eck$LassoCheckResult]: Loop: 2415#L559 assume 0 != main_#t~nondet12;havoc main_#t~nondet12;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(1 + main_#t~mem13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem13; 2416#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 2505#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 2503#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 2504#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 2415#L559 [2019-12-07 10:08:15,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:15,086 INFO L82 PathProgramCache]: Analyzing trace with hash -125928577, now seen corresponding path program 3 times [2019-12-07 10:08:15,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:15,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367950010] [2019-12-07 10:08:15,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:15,100 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:15,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:15,101 INFO L82 PathProgramCache]: Analyzing trace with hash 58400557, now seen corresponding path program 3 times [2019-12-07 10:08:15,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:15,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034593805] [2019-12-07 10:08:15,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:15,107 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:15,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:15,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1691624047, now seen corresponding path program 1 times [2019-12-07 10:08:15,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:15,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658235115] [2019-12-07 10:08:15,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:15,124 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:15,430 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 92 [2019-12-07 10:08:15,497 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:15,498 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:15,498 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:15,498 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:15,498 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:15,498 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,498 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:15,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:15,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca.i_Iteration10_Lasso [2019-12-07 10:08:15,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:15,498 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:15,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,881 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:15,881 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:15,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:15,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:15,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:15,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:15,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:15,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,963 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 10:08:15,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,963 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:15,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,973 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 [2019-12-07 10:08:15,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:15,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:15,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,983 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 [2019-12-07 10:08:15,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:15,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:15,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:15,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:15,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:15,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:15,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:15,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:15,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:16,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:16,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:16,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:16,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:16,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:16,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:16,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:16,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:16,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:16,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:16,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:16,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:16,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:16,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:16,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:16,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:16,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:16,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:16,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:16,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:16,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:16,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:16,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:16,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:16,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:16,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:16,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:16,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:16,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:16,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:16,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:16,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:16,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:16,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:16,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:16,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,054 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 [2019-12-07 10:08:16,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:16,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:16,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:16,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:16,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:16,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:16,061 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:08:16,067 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 10:08:16,067 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,069 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:08:16,071 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:08:16,071 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:08:16,071 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_7) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_7 Supporting invariants [] [2019-12-07 10:08:16,096 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 10:08:16,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:08:16,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,112 INFO L264 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,113 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,117 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,117 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,120 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2019-12-07 10:08:16,120 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,121 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:16,121 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,121 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2019-12-07 10:08:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:16,135 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 10:08:16,135 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 154 transitions. cyclomatic complexity: 42 Second operand 4 states. [2019-12-07 10:08:16,156 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 154 transitions. cyclomatic complexity: 42. Second operand 4 states. Result 130 states and 164 transitions. Complement of second has 7 states. [2019-12-07 10:08:16,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 10:08:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-12-07 10:08:16,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2019-12-07 10:08:16,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:16,157 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 10:08:16,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,173 INFO L264 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,173 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,178 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,178 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,180 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2019-12-07 10:08:16,181 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,182 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:16,182 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,182 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2019-12-07 10:08:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:16,193 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 10:08:16,193 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 154 transitions. cyclomatic complexity: 42 Second operand 4 states. [2019-12-07 10:08:16,214 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 154 transitions. cyclomatic complexity: 42. Second operand 4 states. Result 130 states and 164 transitions. Complement of second has 7 states. [2019-12-07 10:08:16,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:16,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 10:08:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-12-07 10:08:16,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2019-12-07 10:08:16,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:16,215 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 10:08:16,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,231 INFO L264 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,231 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,236 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,236 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,239 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2019-12-07 10:08:16,239 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,240 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:16,240 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,240 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2019-12-07 10:08:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:16,252 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 10:08:16,252 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 154 transitions. cyclomatic complexity: 42 Second operand 4 states. [2019-12-07 10:08:16,279 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 154 transitions. cyclomatic complexity: 42. Second operand 4 states. Result 159 states and 196 transitions. Complement of second has 6 states. [2019-12-07 10:08:16,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 10:08:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-12-07 10:08:16,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 5 letters. [2019-12-07 10:08:16,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:16,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 5 letters. [2019-12-07 10:08:16,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:16,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 10 letters. [2019-12-07 10:08:16,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:16,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 196 transitions. [2019-12-07 10:08:16,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2019-12-07 10:08:16,282 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 129 states and 160 transitions. [2019-12-07 10:08:16,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2019-12-07 10:08:16,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2019-12-07 10:08:16,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 160 transitions. [2019-12-07 10:08:16,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:08:16,282 INFO L688 BuchiCegarLoop]: Abstraction has 129 states and 160 transitions. [2019-12-07 10:08:16,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 160 transitions. [2019-12-07 10:08:16,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 108. [2019-12-07 10:08:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-12-07 10:08:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 135 transitions. [2019-12-07 10:08:16,284 INFO L711 BuchiCegarLoop]: Abstraction has 108 states and 135 transitions. [2019-12-07 10:08:16,284 INFO L591 BuchiCegarLoop]: Abstraction has 108 states and 135 transitions. [2019-12-07 10:08:16,284 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-12-07 10:08:16,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 135 transitions. [2019-12-07 10:08:16,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2019-12-07 10:08:16,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:16,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:16,285 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:16,285 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1] [2019-12-07 10:08:16,285 INFO L794 eck$LassoCheckResult]: Stem: 3173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3167#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem7, main_#t~nondet8, main_#t~mem9, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~mem13, main_#t~mem14, main_#t~nondet15, main_#t~mem4, main_#t~mem5, main_#t~short6, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 3168#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3248#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3257#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3256#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 3254#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 3175#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3178#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3169#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3170#L551 assume !(main_#t~mem7 > 0);havoc main_#t~mem7; 3186#L559 assume !(0 != main_#t~nondet12);havoc main_#t~nondet12;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call write~int(main_#t~nondet15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet15; 3188#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3271#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3185#L550-3 [2019-12-07 10:08:16,285 INFO L796 eck$LassoCheckResult]: Loop: 3185#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3199#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 3190#L552 assume 0 != main_#t~nondet8;havoc main_#t~nondet8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;call write~int(main_#t~nondet10, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet10; 3195#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3193#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3194#L550-3 assume !!main_#t~short6;havoc main_#t~mem4;havoc main_#t~mem5;havoc main_#t~short6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3272#L551 assume main_#t~mem7 > 0;havoc main_#t~mem7; 3176#L552 assume !(0 != main_#t~nondet8);havoc main_#t~nondet8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11; 3177#L559-2 call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short6 := 0 != main_#t~mem4; 3184#L550-1 assume main_#t~short6;call main_#t~mem5 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short6 := main_#t~mem5 > 0; 3185#L550-3 [2019-12-07 10:08:16,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:16,286 INFO L82 PathProgramCache]: Analyzing trace with hash -705255448, now seen corresponding path program 2 times [2019-12-07 10:08:16,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:16,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057923400] [2019-12-07 10:08:16,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:16,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057923400] [2019-12-07 10:08:16,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419715119] [2019-12-07 10:08:16,391 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e75c0ab-c782-469a-82a9-0f3d6c15affe/bin/uautomizer/z3 Starting monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:08:16,420 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 10:08:16,420 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 10:08:16,420 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,421 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,425 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8 [2019-12-07 10:08:16,425 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,426 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:16,427 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,427 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2019-12-07 10:08:16,452 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2019-12-07 10:08:16,452 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,456 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:08:16,456 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,456 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:51, output treesize:7 [2019-12-07 10:08:16,493 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 11 [2019-12-07 10:08:16,493 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,496 INFO L614 ElimStorePlain]: treesize reduction 4, result has 42.9 percent of original size [2019-12-07 10:08:16,496 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:08:16,497 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2019-12-07 10:08:16,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:16,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:08:16,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2019-12-07 10:08:16,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284879501] [2019-12-07 10:08:16,502 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:08:16,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:16,502 INFO L82 PathProgramCache]: Analyzing trace with hash 757834051, now seen corresponding path program 1 times [2019-12-07 10:08:16,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:16,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213592518] [2019-12-07 10:08:16,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:16,510 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:16,690 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2019-12-07 10:08:16,858 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-12-07 10:08:16,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:16,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 10:08:16,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2019-12-07 10:08:16,859 INFO L87 Difference]: Start difference. First operand 108 states and 135 transitions. cyclomatic complexity: 34 Second operand 15 states. [2019-12-07 10:08:16,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:16,981 INFO L93 Difference]: Finished difference Result 86 states and 103 transitions. [2019-12-07 10:08:16,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:08:16,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 103 transitions. [2019-12-07 10:08:16,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:08:16,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 0 states and 0 transitions. [2019-12-07 10:08:16,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:08:16,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:08:16,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:08:16,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:08:16,982 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:16,982 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:16,982 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:16,982 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-12-07 10:08:16,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:08:16,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:08:16,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:08:16,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:08:16 BoogieIcfgContainer [2019-12-07 10:08:16,987 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:08:16,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:08:16,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:08:16,988 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:08:16,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:06" (3/4) ... [2019-12-07 10:08:16,991 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:08:16,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:08:16,992 INFO L168 Benchmark]: Toolchain (without parser) took 10567.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.1 MB). Free memory was 948.9 MB in the beginning and 988.2 MB in the end (delta: -39.3 MB). Peak memory consumption was 242.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,993 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:16,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:16,993 INFO L168 Benchmark]: Boogie Preprocessor took 16.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:16,993 INFO L168 Benchmark]: RCFGBuilder took 201.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,994 INFO L168 Benchmark]: BuchiAutomizer took 9995.57 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 988.2 MB in the end (delta: 69.3 MB). Peak memory consumption was 254.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,994 INFO L168 Benchmark]: Witness Printer took 3.66 ms. Allocated memory is still 1.3 GB. Free memory is still 988.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:16,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 201.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9995.57 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 988.2 MB in the end (delta: 69.3 MB). Peak memory consumption was 254.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.66 ms. Allocated memory is still 1.3 GB. Free memory is still 988.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (4 trivial, 5 deterministic, 2 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.9s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 8.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 10. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 125 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 122 states and ocurred in iteration 8. Nontrivial modules had stage [5, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 118 SDtfs, 156 SDslu, 68 SDs, 0 SdLazy, 485 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso7 LassoPreprocessingBenchmarks: Lassos: inital253 mio100 ax107 hnf100 lsp81 ukn66 mio100 lsp35 div100 bol103 ite100 ukn100 eq180 hnf88 smp97 dnf105 smp95 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...