./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.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_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 987435cc8130e848f1b087d0b65ab8d71c3dfa3c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:34:59,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:34:59,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:34:59,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:34:59,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:34:59,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:34:59,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:34:59,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:34:59,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:34:59,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:34:59,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:34:59,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:34:59,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:34:59,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:34:59,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:34:59,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:34:59,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:34:59,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:34:59,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:34:59,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:34:59,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:34:59,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:34:59,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:34:59,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:34:59,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:34:59,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:34:59,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:34:59,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:34:59,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:34:59,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:34:59,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:34:59,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:34:59,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:34:59,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:34:59,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:34:59,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:34:59,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:34:59,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:34:59,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:34:59,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:34:59,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:34:59,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:34:59,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:34:59,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:34:59,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:34:59,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:34:59,720 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:34:59,720 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:34:59,720 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:34:59,720 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:34:59,720 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:34:59,720 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:34:59,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:34:59,721 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:34:59,722 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:34:59,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:34:59,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:34:59,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:34:59,722 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:34:59,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:34:59,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:34:59,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:34:59,723 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:34:59,723 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:34:59,723 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_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 -> 987435cc8130e848f1b087d0b65ab8d71c3dfa3c [2019-12-07 18:34:59,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:34:59,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:34:59,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:34:59,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:34:59,836 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:34:59,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2019-12-07 18:34:59,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/data/b30af08cd/449f7fa856fe4dd5a1312c97e4e01d2c/FLAG3ef4f2923 [2019-12-07 18:35:00,301 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:35:00,301 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2019-12-07 18:35:00,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/data/b30af08cd/449f7fa856fe4dd5a1312c97e4e01d2c/FLAG3ef4f2923 [2019-12-07 18:35:00,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/data/b30af08cd/449f7fa856fe4dd5a1312c97e4e01d2c [2019-12-07 18:35:00,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:35:00,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:35:00,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:35:00,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:35:00,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:35:00,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4b79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00, skipping insertion in model container [2019-12-07 18:35:00,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:35:00,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:35:00,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:35:00,901 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:35:00,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:35:00,955 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:35:00,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00 WrapperNode [2019-12-07 18:35:00,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:35:00,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:35:00,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:35:00,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:35:00,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:35:00,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:35:00,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:35:00,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:35:00,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:00,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:01,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... [2019-12-07 18:35:01,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:35:01,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:35:01,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:35:01,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:35:01,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:35:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:35:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:35:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:35:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:35:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:35:01,188 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:35:01,188 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 18:35:01,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:35:01 BoogieIcfgContainer [2019-12-07 18:35:01,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:35:01,190 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:35:01,190 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:35:01,192 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:35:01,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:35:01,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:35:00" (1/3) ... [2019-12-07 18:35:01,193 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57922c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:35:01, skipping insertion in model container [2019-12-07 18:35:01,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:35:01,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:35:00" (2/3) ... [2019-12-07 18:35:01,194 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57922c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:35:01, skipping insertion in model container [2019-12-07 18:35:01,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:35:01,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:35:01" (3/3) ... [2019-12-07 18:35:01,195 INFO L371 chiAutomizerObserver]: Analyzing ICFG array03-alloca-1.i [2019-12-07 18:35:01,222 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:35:01,223 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:35:01,223 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:35:01,223 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:35:01,223 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:35:01,223 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:35:01,223 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:35:01,223 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:35:01,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:35:01,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:35:01,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:35:01,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:35:01,250 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:35:01,250 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:35:01,250 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:35:01,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:35:01,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:35:01,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:35:01,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:35:01,252 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:35:01,252 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:35:01,257 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 6#L567true assume !(main_~array_size~0 < 1); 10#L567-2true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 3#L551-3true [2019-12-07 18:35:01,257 INFO L796 eck$LassoCheckResult]: Loop: 3#L551-3true assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 13#L553true assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 7#L558-2true assume !true; 9#L558-3true call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 17#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 3#L551-3true [2019-12-07 18:35:01,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:01,261 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 18:35:01,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:01,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021911214] [2019-12-07 18:35:01,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:01,349 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:01,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:01,350 INFO L82 PathProgramCache]: Analyzing trace with hash 44963621, now seen corresponding path program 1 times [2019-12-07 18:35:01,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:01,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562443964] [2019-12-07 18:35:01,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:01,374 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 18:35:01,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562443964] [2019-12-07 18:35:01,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:35:01,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:35:01,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517167942] [2019-12-07 18:35:01,378 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:35:01,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:35:01,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:35:01,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:35:01,390 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2019-12-07 18:35:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:35:01,394 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-12-07 18:35:01,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:35:01,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-12-07 18:35:01,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:35:01,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 15 transitions. [2019-12-07 18:35:01,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 18:35:01,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 18:35:01,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2019-12-07 18:35:01,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:35:01,401 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-12-07 18:35:01,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2019-12-07 18:35:01,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-07 18:35:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 18:35:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-12-07 18:35:01,420 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-12-07 18:35:01,420 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-12-07 18:35:01,420 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:35:01,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-12-07 18:35:01,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:35:01,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:35:01,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:35:01,421 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:35:01,421 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:35:01,421 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 38#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 39#L567 assume !(main_~array_size~0 < 1); 47#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 40#L551-3 [2019-12-07 18:35:01,421 INFO L796 eck$LassoCheckResult]: Loop: 40#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 41#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 42#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 44#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 45#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 48#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 40#L551-3 [2019-12-07 18:35:01,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:01,422 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2019-12-07 18:35:01,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:01,422 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007935290] [2019-12-07 18:35:01,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:01,439 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:01,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:01,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1393657929, now seen corresponding path program 1 times [2019-12-07 18:35:01,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:01,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878951218] [2019-12-07 18:35:01,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:01,457 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:01,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:01,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1898369747, now seen corresponding path program 1 times [2019-12-07 18:35:01,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:01,458 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129895704] [2019-12-07 18:35:01,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:01,489 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:01,718 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:35:01,719 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:35:01,719 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:35:01,719 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:35:01,719 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:35:01,719 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:35:01,719 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:35:01,719 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:35:01,719 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration2_Lasso [2019-12-07 18:35:01,720 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:35:01,720 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:35:01,736 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 18:35:01,740 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 18:35:01,742 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 18:35:01,743 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 18:35:01,745 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 18:35:01,748 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 18:35:01,750 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 18:35:01,752 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 18:35:01,754 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 18:35:01,755 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 18:35:01,757 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 18:35:01,758 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 18:35:01,850 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 18:35:01,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:35:01,853 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 18:35:02,046 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:35:02,050 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,054 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 18:35:02,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,065 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 18:35:02,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:35:02,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,083 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 18:35:02,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,091 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 18:35:02,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:02,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:02,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,103 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 18:35:02,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,111 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 18:35:02,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:02,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:02,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,122 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 18:35:02,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:02,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:02,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,132 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 18:35:02,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,140 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 18:35:02,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,148 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 18:35:02,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,155 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 18:35:02,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,164 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 18:35:02,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:02,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:02,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:02,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,172 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 18:35:02,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:02,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:02,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,185 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 18:35:02,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:02,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:02,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,198 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 18:35:02,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:02,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:02,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:02,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:02,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:02,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:02,229 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:35:02,256 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 18:35:02,257 INFO L444 ModelExtractionUtils]: 11 out of 34 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:02,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:35:02,267 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 18:35:02,267 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:35:02,268 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1, ULTIMATE.start_test_fun_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 - 2*ULTIMATE.start_test_fun_~i~0 Supporting invariants [1*v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1 - 2*ULTIMATE.start_test_fun_~N >= 0] [2019-12-07 18:35:02,286 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 18:35:02,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 18:35:02,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:02,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 18:35:02,332 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:02,356 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:35:02,356 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:02,375 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 18:35:02,378 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 18:35:02,379 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-12-07 18:35:02,437 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 18 states and 26 transitions. Complement of second has 5 states. [2019-12-07 18:35:02,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:35:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:35:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-12-07 18:35:02,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 6 letters. [2019-12-07 18:35:02,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:02,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2019-12-07 18:35:02,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:02,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 12 letters. [2019-12-07 18:35:02,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:02,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 26 transitions. [2019-12-07 18:35:02,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:02,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 24 transitions. [2019-12-07 18:35:02,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 18:35:02,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 18:35:02,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 24 transitions. [2019-12-07 18:35:02,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:35:02,443 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2019-12-07 18:35:02,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 24 transitions. [2019-12-07 18:35:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 18:35:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 18:35:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 24 transitions. [2019-12-07 18:35:02,444 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2019-12-07 18:35:02,444 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2019-12-07 18:35:02,444 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:35:02,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 24 transitions. [2019-12-07 18:35:02,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:02,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:35:02,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:35:02,445 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:35:02,445 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:35:02,445 INFO L794 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 145#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 146#L567 assume !(main_~array_size~0 < 1); 155#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 141#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 143#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 147#L558-2 [2019-12-07 18:35:02,445 INFO L796 eck$LassoCheckResult]: Loop: 147#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 151#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 147#L558-2 [2019-12-07 18:35:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:02,446 INFO L82 PathProgramCache]: Analyzing trace with hash 889568456, now seen corresponding path program 1 times [2019-12-07 18:35:02,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:02,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774614562] [2019-12-07 18:35:02,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,465 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:02,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:02,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2019-12-07 18:35:02,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:02,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936131819] [2019-12-07 18:35:02,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:02,469 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:02,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123758731] [2019-12-07 18:35:02,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,494 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:02,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:02,494 INFO L82 PathProgramCache]: Analyzing trace with hash 176795341, now seen corresponding path program 1 times [2019-12-07 18:35:02,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:02,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876686972] [2019-12-07 18:35:02,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:02,500 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:02,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863429527] [2019-12-07 18:35:02,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:02,527 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:35:02,528 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:02,561 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2019-12-07 18:35:02,561 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:35:02,563 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:35:02,563 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 18:35:02,564 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:3 [2019-12-07 18:35:02,567 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 18:35:02,567 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876686972] [2019-12-07 18:35:02,568 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 18:35:02,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863429527] [2019-12-07 18:35:02,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:35:02,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:35:02,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786993329] [2019-12-07 18:35:02,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:35:02,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:35:02,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:35:02,590 INFO L87 Difference]: Start difference. First operand 16 states and 24 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-12-07 18:35:02,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:35:02,619 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2019-12-07 18:35:02,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:35:02,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-12-07 18:35:02,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:02,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 26 transitions. [2019-12-07 18:35:02,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 18:35:02,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 18:35:02,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2019-12-07 18:35:02,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:35:02,621 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-12-07 18:35:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2019-12-07 18:35:02,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2019-12-07 18:35:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 18:35:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-12-07 18:35:02,623 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 18:35:02,623 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 18:35:02,623 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:35:02,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-12-07 18:35:02,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:02,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:35:02,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:35:02,624 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:35:02,624 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:35:02,625 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 215#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 216#L567 assume !(main_~array_size~0 < 1); 225#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 211#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 213#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 217#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 221#L558-2 [2019-12-07 18:35:02,625 INFO L796 eck$LassoCheckResult]: Loop: 221#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 220#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 221#L558-2 [2019-12-07 18:35:02,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:02,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2019-12-07 18:35:02,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:02,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241128253] [2019-12-07 18:35:02,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:02,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:02,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 2 times [2019-12-07 18:35:02,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:02,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185246920] [2019-12-07 18:35:02,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:02,651 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:02,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1867547063] [2019-12-07 18:35:02,651 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:02,673 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-12-07 18:35:02,674 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 18:35:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,678 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:02,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:02,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1185742934, now seen corresponding path program 1 times [2019-12-07 18:35:02,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:02,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960251876] [2019-12-07 18:35:02,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:02,683 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:02,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779747115] [2019-12-07 18:35:02,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:02,720 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:02,879 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:35:02,879 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:35:02,879 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:35:02,879 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:35:02,879 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:35:02,879 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:35:02,879 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:35:02,879 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:35:02,879 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration4_Lasso [2019-12-07 18:35:02,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:35:02,879 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:35:02,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:35:02,885 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 18:35:02,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:35:02,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:35:02,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:35:02,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:35:02,892 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 18:35:02,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:35:02,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:35:02,896 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 18:35:02,897 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 18:35:02,898 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 18:35:02,900 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 18:35:02,993 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 18:35:02,995 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 18:35:03,184 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:35:03,184 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,188 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 18:35:03,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:03,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:03,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:03,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,196 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 18:35:03,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:03,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:03,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:03,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,203 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 18:35:03,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:03,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:03,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,214 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 18:35:03,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:03,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:03,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:03,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,221 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 18:35:03,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:03,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:03,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:03,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,228 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 18:35:03,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:03,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:03,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,237 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 18:35:03,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:03,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:03,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:03,240 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,244 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 18:35:03,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:03,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:03,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:03,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:35:03,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:03,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:03,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,259 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 18:35:03,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:03,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:03,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:03,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,265 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 18:35:03,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:03,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:03,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:03,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:35:03,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:03,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:03,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:35:03,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:03,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:03,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:03,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:03,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:03,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:03,295 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:35:03,301 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 18:35:03,301 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,303 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:35:03,306 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:35:03,306 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:35:03,306 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2019-12-07 18:35:03,313 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 18:35:03,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:35:03,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:03,330 INFO L264 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:35:03,331 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:03,335 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:35:03,335 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:03,345 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 18:35:03,346 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:35:03,346 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-12-07 18:35:03,361 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 40 states and 54 transitions. Complement of second has 7 states. [2019-12-07 18:35:03,361 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 18:35:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:35:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-12-07 18:35:03,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 18:35:03,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:03,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 18:35:03,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:03,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2019-12-07 18:35:03,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:03,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 54 transitions. [2019-12-07 18:35:03,363 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 18:35:03,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 47 transitions. [2019-12-07 18:35:03,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 18:35:03,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 18:35:03,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 47 transitions. [2019-12-07 18:35:03,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:35:03,364 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 47 transitions. [2019-12-07 18:35:03,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 47 transitions. [2019-12-07 18:35:03,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2019-12-07 18:35:03,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 18:35:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 18:35:03,367 INFO L711 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 18:35:03,367 INFO L591 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 18:35:03,367 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 18:35:03,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2019-12-07 18:35:03,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:03,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:35:03,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:35:03,368 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:35:03,368 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:35:03,368 INFO L794 eck$LassoCheckResult]: Stem: 347#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 338#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 339#L567 assume !(main_~array_size~0 < 1); 348#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 332#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 334#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 350#L555 assume test_fun_#t~mem4 < 0;havoc test_fun_#t~mem4;test_fun_~res~0 := 0; 344#L558-2 [2019-12-07 18:35:03,368 INFO L796 eck$LassoCheckResult]: Loop: 344#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 343#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 344#L558-2 [2019-12-07 18:35:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818447, now seen corresponding path program 1 times [2019-12-07 18:35:03,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:03,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597805842] [2019-12-07 18:35:03,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:03,385 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:03,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 3 times [2019-12-07 18:35:03,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:03,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434874095] [2019-12-07 18:35:03,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:03,388 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:03,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872520074] [2019-12-07 18:35:03,389 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:03,409 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-12-07 18:35:03,409 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 18:35:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:03,412 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:03,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1185741012, now seen corresponding path program 1 times [2019-12-07 18:35:03,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:03,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049654728] [2019-12-07 18:35:03,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:03,417 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:03,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720809852] [2019-12-07 18:35:03,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:03,444 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:35:03,445 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:03,454 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2019-12-07 18:35:03,455 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:35:03,456 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:35:03,456 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 18:35:03,456 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-12-07 18:35:03,460 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 18:35:03,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049654728] [2019-12-07 18:35:03,460 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 18:35:03,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720809852] [2019-12-07 18:35:03,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:35:03,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:35:03,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179195196] [2019-12-07 18:35:03,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:35:03,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:35:03,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:35:03,480 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. cyclomatic complexity: 16 Second operand 5 states. [2019-12-07 18:35:03,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:35:03,508 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2019-12-07 18:35:03,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:35:03,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2019-12-07 18:35:03,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:03,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 41 transitions. [2019-12-07 18:35:03,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 18:35:03,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 18:35:03,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2019-12-07 18:35:03,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:35:03,510 INFO L688 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2019-12-07 18:35:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2019-12-07 18:35:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2019-12-07 18:35:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 18:35:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-12-07 18:35:03,512 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-12-07 18:35:03,512 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-12-07 18:35:03,512 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 18:35:03,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2019-12-07 18:35:03,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:03,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:35:03,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:35:03,513 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:35:03,513 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:35:03,513 INFO L794 eck$LassoCheckResult]: Stem: 449#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 436#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 437#L567 assume !(main_~array_size~0 < 1); 450#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 438#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 439#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 444#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 448#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 452#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 460#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 459#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 457#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 441#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 442#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 446#L558-2 [2019-12-07 18:35:03,513 INFO L796 eck$LassoCheckResult]: Loop: 446#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 445#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 446#L558-2 [2019-12-07 18:35:03,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1864345184, now seen corresponding path program 1 times [2019-12-07 18:35:03,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:03,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147956214] [2019-12-07 18:35:03,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:35:03,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147956214] [2019-12-07 18:35:03,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:35:03,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 18:35:03,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943327297] [2019-12-07 18:35:03,559 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:35:03,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 4 times [2019-12-07 18:35:03,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:03,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470028343] [2019-12-07 18:35:03,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:03,561 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:03,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123701868] [2019-12-07 18:35:03,561 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:03,583 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 18:35:03,583 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 18:35:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:03,587 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:03,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:35:03,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 18:35:03,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:35:03,609 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand 6 states. [2019-12-07 18:35:03,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:35:03,642 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2019-12-07 18:35:03,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:35:03,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2019-12-07 18:35:03,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:03,644 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 33 states and 41 transitions. [2019-12-07 18:35:03,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 18:35:03,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 18:35:03,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2019-12-07 18:35:03,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:35:03,644 INFO L688 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2019-12-07 18:35:03,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2019-12-07 18:35:03,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2019-12-07 18:35:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 18:35:03,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-12-07 18:35:03,646 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-12-07 18:35:03,646 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-12-07 18:35:03,646 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 18:35:03,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2019-12-07 18:35:03,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:35:03,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:35:03,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:35:03,647 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:35:03,647 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:35:03,647 INFO L794 eck$LassoCheckResult]: Stem: 522#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 508#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 509#L567 assume !(main_~array_size~0 < 1); 523#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 510#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 511#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 536#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 524#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 520#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 521#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 531#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 530#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 529#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 528#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 513#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 514#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 519#L558-2 [2019-12-07 18:35:03,648 INFO L796 eck$LassoCheckResult]: Loop: 519#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 518#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 519#L558-2 [2019-12-07 18:35:03,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,648 INFO L82 PathProgramCache]: Analyzing trace with hash 221162235, now seen corresponding path program 1 times [2019-12-07 18:35:03,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:03,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702407774] [2019-12-07 18:35:03,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:03,652 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:03,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565762872] [2019-12-07 18:35:03,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:03,692 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:03,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 5 times [2019-12-07 18:35:03,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:03,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821426834] [2019-12-07 18:35:03,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:03,695 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:03,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [402226313] [2019-12-07 18:35:03,695 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:03,715 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-12-07 18:35:03,716 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 18:35:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:03,719 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:03,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:03,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2083511360, now seen corresponding path program 2 times [2019-12-07 18:35:03,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:35:03,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625357543] [2019-12-07 18:35:03,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:35:03,724 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 18:35:03,724 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476842864] [2019-12-07 18:35:03,725 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/bin/uautomizer/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:35:03,755 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 18:35:03,756 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 18:35:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:35:03,770 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:03,994 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 103 [2019-12-07 18:35:04,042 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:35:04,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:35:04,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:35:04,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:35:04,043 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:35:04,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:35:04,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:35:04,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:35:04,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration7_Lasso [2019-12-07 18:35:04,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:35:04,043 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:35:04,045 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 18:35:04,046 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 18:35:04,047 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 18:35:04,049 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 18:35:04,051 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 18:35:04,148 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 18:35:04,150 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 18:35:04,151 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 18:35:04,152 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 18:35:04,153 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 18:35:04,155 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 18:35:04,156 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 18:35:04,157 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 18:35:04,158 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 18:35:04,160 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 18:35:04,348 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:35:04,349 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:04,352 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 18:35:04,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:04,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:04,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:04,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:04,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:04,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:04,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:04,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:04,359 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 18:35:04,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:04,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:35:04,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:04,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:04,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:04,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:35:04,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:35:04,361 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:04,365 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 18:35:04,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:04,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:04,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:04,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:04,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:04,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:04,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:04,373 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 18:35:04,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:04,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:04,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:04,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:04,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:04,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:04,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:04,381 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 18:35:04,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:04,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:04,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:04,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:04,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:04,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:04,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:04,393 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 18:35:04,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:35:04,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:35:04,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:35:04,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:35:04,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:35:04,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:35:04,402 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:35:04,409 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 18:35:04,409 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f44d120a-c7b6-4f79-a4e4-0eddf7950a9c/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 18:35:04,419 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:35:04,420 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:35:04,421 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:35:04,421 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] [2019-12-07 18:35:04,429 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 18:35:04,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:35:04,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:04,448 INFO L264 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:35:04,449 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:04,453 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:35:04,453 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:04,460 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 18:35:04,460 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:35:04,461 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand 3 states. [2019-12-07 18:35:04,473 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand 3 states. Result 35 states and 44 transitions. Complement of second has 7 states. [2019-12-07 18:35:04,473 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 18:35:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:35:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-12-07 18:35:04,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2019-12-07 18:35:04,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:04,474 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 18:35:04,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:04,492 INFO L264 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:35:04,493 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:04,496 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:35:04,497 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:04,504 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 18:35:04,505 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:35:04,505 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand 3 states. [2019-12-07 18:35:04,517 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand 3 states. Result 35 states and 44 transitions. Complement of second has 7 states. [2019-12-07 18:35:04,517 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 18:35:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:35:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-12-07 18:35:04,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2019-12-07 18:35:04,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:04,518 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 18:35:04,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:35:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:04,536 INFO L264 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:35:04,536 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:35:04,541 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:35:04,541 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:35:04,551 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 18:35:04,551 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 2 loop predicates [2019-12-07 18:35:04,551 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand 3 states. [2019-12-07 18:35:04,563 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand 3 states. Result 39 states and 50 transitions. Complement of second has 6 states. [2019-12-07 18:35:04,563 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 18:35:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:35:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-12-07 18:35:04,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 2 letters. [2019-12-07 18:35:04,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:04,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 2 letters. [2019-12-07 18:35:04,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:04,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 4 letters. [2019-12-07 18:35:04,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:35:04,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2019-12-07 18:35:04,567 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:35:04,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2019-12-07 18:35:04,567 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:35:04,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:35:04,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:35:04,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:35:04,567 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:35:04,567 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:35:04,567 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:35:04,568 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 18:35:04,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:35:04,568 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:35:04,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:35:04,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:35:04 BoogieIcfgContainer [2019-12-07 18:35:04,573 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:35:04,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:35:04,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:35:04,574 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:35:04,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:35:01" (3/4) ... [2019-12-07 18:35:04,577 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:35:04,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:35:04,578 INFO L168 Benchmark]: Toolchain (without parser) took 3911.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:35:04,579 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:35:04,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:04,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:35:04,580 INFO L168 Benchmark]: Boogie Preprocessor took 17.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:04,580 INFO L168 Benchmark]: RCFGBuilder took 187.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:04,580 INFO L168 Benchmark]: BuchiAutomizer took 3383.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -45.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:04,581 INFO L168 Benchmark]: Witness Printer took 3.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:35:04,583 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 187.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3383.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -45.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))] + -2 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 2.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 31 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 118 SDtfs, 82 SDslu, 69 SDs, 0 SdLazy, 150 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital179 mio100 ax110 hnf99 lsp87 ukn66 mio100 lsp51 div100 bol100 ite100 ukn100 eq178 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...