./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7541988e6da98f0cff4ac2bb6ea7091660417951 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:40:52,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:40:52,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:40:52,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:40:52,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:40:52,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:40:52,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:40:52,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:40:52,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:40:52,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:40:52,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:40:52,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:40:52,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:40:52,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:40:52,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:40:52,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:40:52,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:40:52,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:40:53,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:40:53,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:40:53,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:40:53,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:40:53,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:40:53,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:40:53,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:40:53,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:40:53,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:40:53,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:40:53,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:40:53,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:40:53,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:40:53,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:40:53,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:40:53,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:40:53,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:40:53,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:40:53,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:40:53,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:40:53,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:40:53,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:40:53,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:40:53,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 03:40:53,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:40:53,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:40:53,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:40:53,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:40:53,045 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:40:53,045 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:40:53,045 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:40:53,046 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:40:53,046 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:40:53,046 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:40:53,047 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:40:53,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:40:53,048 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:40:53,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:40:53,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:40:53,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:40:53,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:40:53,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:40:53,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:40:53,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:40:53,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:40:53,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:40:53,049 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:40:53,050 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:40:53,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:40:53,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:40:53,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:40:53,050 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:40:53,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:40:53,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:40:53,051 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:40:53,052 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:40:53,052 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_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7541988e6da98f0cff4ac2bb6ea7091660417951 [2019-11-20 03:40:53,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:40:53,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:40:53,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:40:53,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:40:53,255 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:40:53,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2019-11-20 03:40:53,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/data/ba5f97f22/3be504af386f4e208a68e9dc0a3eb153/FLAGf25657ecb [2019-11-20 03:40:53,758 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:40:53,759 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2019-11-20 03:40:53,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/data/ba5f97f22/3be504af386f4e208a68e9dc0a3eb153/FLAGf25657ecb [2019-11-20 03:40:53,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/data/ba5f97f22/3be504af386f4e208a68e9dc0a3eb153 [2019-11-20 03:40:53,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:40:53,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:40:53,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:40:53,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:40:53,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:40:53,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:40:53" (1/1) ... [2019-11-20 03:40:53,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbded58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:53, skipping insertion in model container [2019-11-20 03:40:53,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:40:53" (1/1) ... [2019-11-20 03:40:53,811 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:40:53,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:40:54,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:40:54,196 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:40:54,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:40:54,308 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:40:54,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54 WrapperNode [2019-11-20 03:40:54,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:40:54,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:40:54,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:40:54,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:40:54,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:40:54,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:40:54,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:40:54,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:40:54,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... [2019-11-20 03:40:54,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:40:54,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:40:54,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:40:54,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:40:54,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:40:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:40:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:40:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:40:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:40:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:40:54,823 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:40:54,823 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 03:40:54,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:40:54 BoogieIcfgContainer [2019-11-20 03:40:54,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:40:54,825 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:40:54,825 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:40:54,828 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:40:54,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:40:54,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:40:53" (1/3) ... [2019-11-20 03:40:54,832 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ede220d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:40:54, skipping insertion in model container [2019-11-20 03:40:54,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:40:54,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:40:54" (2/3) ... [2019-11-20 03:40:54,834 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ede220d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:40:54, skipping insertion in model container [2019-11-20 03:40:54,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:40:54,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:40:54" (3/3) ... [2019-11-20 03:40:54,838 INFO L371 chiAutomizerObserver]: Analyzing ICFG array03-alloca-2.i [2019-11-20 03:40:54,885 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:40:54,885 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:40:54,886 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:40:54,886 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:40:54,886 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:40:54,886 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:40:54,886 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:40:54,886 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:40:54,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 03:40:54,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-20 03:40:54,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:54,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:54,930 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 03:40:54,930 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:40:54,930 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:40:54,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 03:40:54,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-20 03:40:54,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:54,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:54,933 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 03:40:54,933 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:40:54,940 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 11#L532true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 16#L532-2true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 6#L537-3true [2019-11-20 03:40:54,940 INFO L796 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 4#L537-2true main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 6#L537-3true [2019-11-20 03:40:54,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:54,945 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-20 03:40:54,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:54,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087057584] [2019-11-20 03:40:54,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:55,049 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:55,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:55,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-20 03:40:55,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:55,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933480275] [2019-11-20 03:40:55,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:55,067 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:55,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:55,068 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-20 03:40:55,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:55,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750098052] [2019-11-20 03:40:55,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:55,104 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:55,353 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-20 03:40:55,443 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:40:55,444 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:40:55,444 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:40:55,444 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:40:55,444 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:40:55,445 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:55,445 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:40:55,445 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:40:55,445 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration1_Lasso [2019-11-20 03:40:55,445 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:40:55,445 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:40:55,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:55,904 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:40:55,910 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:40:55,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:55,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:55,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:55,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:55,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:55,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:55,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:55,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:55,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:40:55,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:55,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:55,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:55,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:55,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:55,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:55,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:55,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:55,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:40:55,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:55,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:55,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:55,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:55,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:55,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:55,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:55,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:55,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:55,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:55,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:55,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:55,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:55,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:55,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:55,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:40:56,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:56,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:56,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:56,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:56,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:56,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:56,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:56,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:56,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:56,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:56,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:56,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:56,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:56,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:56,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:56,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:56,050 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:40:56,086 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-20 03:40:56,087 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:56,101 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:40:56,108 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 03:40:56,108 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:40:56,109 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1) = -4*ULTIMATE.start_main_~k~0 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2019-11-20 03:40:56,143 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 03:40:56,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 03:40:56,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:56,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:40:56,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:56,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 03:40:56,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:56,305 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:40:56,307 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-11-20 03:40:56,413 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 44 states and 65 transitions. Complement of second has 7 states. [2019-11-20 03:40:56,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 03:40:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:40:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2019-11-20 03:40:56,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 03:40:56,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:56,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 03:40:56,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:56,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 03:40:56,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:56,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 65 transitions. [2019-11-20 03:40:56,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 03:40:56,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 15 states and 21 transitions. [2019-11-20 03:40:56,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-20 03:40:56,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 03:40:56,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2019-11-20 03:40:56,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:40:56,432 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-20 03:40:56,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2019-11-20 03:40:56,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-20 03:40:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 03:40:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-11-20 03:40:56,459 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-20 03:40:56,460 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-20 03:40:56,460 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:40:56,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2019-11-20 03:40:56,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 03:40:56,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:56,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:56,469 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:40:56,469 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:40:56,469 INFO L794 eck$LassoCheckResult]: Stem: 141#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 138#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 139#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 140#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 133#L537-3 assume !(main_~k~0 < main_~array_size~0); 134#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 129#L516-3 [2019-11-20 03:40:56,470 INFO L796 eck$LassoCheckResult]: Loop: 129#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 132#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 137#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 135#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 136#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 128#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 129#L516-3 [2019-11-20 03:40:56,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:56,470 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-20 03:40:56,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:56,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165286357] [2019-11-20 03:40:56,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:56,571 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165286357] [2019-11-20 03:40:56,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:40:56,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:40:56,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547403317] [2019-11-20 03:40:56,575 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:40:56,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:56,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 1 times [2019-11-20 03:40:56,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:56,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969239599] [2019-11-20 03:40:56,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:56,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:56,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:40:56,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:40:56,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:40:56,746 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-20 03:40:56,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:40:56,779 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2019-11-20 03:40:56,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:40:56,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2019-11-20 03:40:56,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 03:40:56,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2019-11-20 03:40:56,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 03:40:56,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 03:40:56,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-11-20 03:40:56,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:40:56,784 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-20 03:40:56,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-11-20 03:40:56,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-20 03:40:56,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 03:40:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-20 03:40:56,786 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 03:40:56,786 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 03:40:56,786 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 03:40:56,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-11-20 03:40:56,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 03:40:56,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:56,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:56,792 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:40:56,792 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:40:56,792 INFO L794 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 176#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 177#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 178#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 171#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 168#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 169#L537-3 assume !(main_~k~0 < main_~array_size~0); 172#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 167#L516-3 [2019-11-20 03:40:56,793 INFO L796 eck$LassoCheckResult]: Loop: 167#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 170#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 175#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 173#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 174#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 166#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 167#L516-3 [2019-11-20 03:40:56,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:56,793 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-20 03:40:56,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:56,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954690412] [2019-11-20 03:40:56,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:56,845 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:56,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:56,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 2 times [2019-11-20 03:40:56,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:56,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907818379] [2019-11-20 03:40:56,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:56,870 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:56,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:56,871 INFO L82 PathProgramCache]: Analyzing trace with hash -260572169, now seen corresponding path program 1 times [2019-11-20 03:40:56,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:56,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590605599] [2019-11-20 03:40:56,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:56,927 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:57,243 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-11-20 03:40:57,324 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:40:57,325 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:40:57,325 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:40:57,325 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:40:57,325 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:40:57,325 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:57,325 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:40:57,325 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:40:57,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration3_Lasso [2019-11-20 03:40:57,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:40:57,326 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:40:57,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,537 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-11-20 03:40:57,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:57,797 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-20 03:40:57,990 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:40:57,990 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:40:57,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:57,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:57,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:57,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:57,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:57,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:57,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:57,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:58,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:58,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:58,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:58,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:58,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:58,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:58,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:40:58,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:58,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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) [2019-11-20 03:40:58,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:58,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,123 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:40:58,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:58,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:58,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:40:58,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,203 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 [2019-11-20 03:40:58,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:58,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:58,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:58,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:58,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:58,244 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 [2019-11-20 03:40:58,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:58,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:40:58,272 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 [2019-11-20 03:40:58,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:58,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:58,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:58,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:58,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:58,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:40:58,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:40:58,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:40:58,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:58,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:40:58,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:40:58,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:40:58,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:40:58,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:40:58,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:40:58,355 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:40:58,392 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-20 03:40:58,392 INFO L444 ModelExtractionUtils]: 18 out of 37 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:40:58,397 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:58,402 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:40:58,402 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:40:58,402 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2019-11-20 03:40:58,415 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 03:40:58,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:58,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:40:58,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:58,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:40:58,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:40:58,474 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:40:58,474 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-20 03:40:58,497 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 22 states and 31 transitions. Complement of second has 4 states. [2019-11-20 03:40:58,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:40:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:40:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2019-11-20 03:40:58,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-20 03:40:58,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:58,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-20 03:40:58,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:58,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 12 letters. [2019-11-20 03:40:58,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:40:58,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 31 transitions. [2019-11-20 03:40:58,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:40:58,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 29 transitions. [2019-11-20 03:40:58,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 03:40:58,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 03:40:58,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2019-11-20 03:40:58,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:40:58,502 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-20 03:40:58,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2019-11-20 03:40:58,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-20 03:40:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 03:40:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2019-11-20 03:40:58,508 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-20 03:40:58,508 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-20 03:40:58,508 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 03:40:58,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2019-11-20 03:40:58,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:40:58,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:58,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:58,511 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:40:58,511 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:40:58,512 INFO L794 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 295#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 296#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 297#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 288#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 283#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 284#L537-3 assume !(main_~k~0 < main_~array_size~0); 289#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 285#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 287#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 291#L523-2 [2019-11-20 03:40:58,512 INFO L796 eck$LassoCheckResult]: Loop: 291#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 290#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 291#L523-2 [2019-11-20 03:40:58,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:58,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1899811566, now seen corresponding path program 1 times [2019-11-20 03:40:58,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:58,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701787959] [2019-11-20 03:40:58,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:58,548 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:58,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:58,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2019-11-20 03:40:58,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:58,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587134986] [2019-11-20 03:40:58,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:58,553 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:40:58,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515123045] [2019-11-20 03:40:58,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:40:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:58,594 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:58,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:58,595 INFO L82 PathProgramCache]: Analyzing trace with hash -357812649, now seen corresponding path program 1 times [2019-11-20 03:40:58,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:58,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825912326] [2019-11-20 03:40:58,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:58,603 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:40:58,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1788936826] [2019-11-20 03:40:58,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:40:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:40:58,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:40:58,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:40:58,697 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2019-11-20 03:40:58,698 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:40:58,700 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:40:58,701 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:40:58,701 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:3 [2019-11-20 03:40:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 03:40:58,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825912326] [2019-11-20 03:40:58,708 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 03:40:58,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788936826] [2019-11-20 03:40:58,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:40:58,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:40:58,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490077799] [2019-11-20 03:40:58,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:40:58,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:40:58,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:40:58,745 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-20 03:40:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:40:58,817 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2019-11-20 03:40:58,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:40:58,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2019-11-20 03:40:58,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:40:58,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 31 transitions. [2019-11-20 03:40:58,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 03:40:58,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 03:40:58,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 31 transitions. [2019-11-20 03:40:58,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:40:58,820 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2019-11-20 03:40:58,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 31 transitions. [2019-11-20 03:40:58,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-20 03:40:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 03:40:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-20 03:40:58,822 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-20 03:40:58,822 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-20 03:40:58,822 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 03:40:58,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-11-20 03:40:58,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:40:58,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:40:58,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:40:58,829 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:40:58,829 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:40:58,830 INFO L794 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 384#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 385#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 386#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 378#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 373#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 374#L537-3 assume !(main_~k~0 < main_~array_size~0); 379#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 375#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 377#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 390#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 381#L523-2 [2019-11-20 03:40:58,830 INFO L796 eck$LassoCheckResult]: Loop: 381#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 380#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 381#L523-2 [2019-11-20 03:40:58,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:58,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-11-20 03:40:58,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:58,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853068294] [2019-11-20 03:40:58,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:58,886 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:58,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:58,890 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 2 times [2019-11-20 03:40:58,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:58,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486384406] [2019-11-20 03:40:58,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:58,894 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:40:58,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90595223] [2019-11-20 03:40:58,896 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:40:58,934 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-20 03:40:58,934 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-20 03:40:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:58,942 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:58,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:40:58,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1792764442, now seen corresponding path program 1 times [2019-11-20 03:40:58,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:40:58,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943645566] [2019-11-20 03:40:58,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:40:58,963 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:40:58,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [103789530] [2019-11-20 03:40:58,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:40:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:40:59,034 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:40:59,313 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-11-20 03:40:59,391 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:40:59,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:40:59,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:40:59,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:40:59,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:40:59,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:40:59,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:40:59,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:40:59,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration5_Lasso [2019-11-20 03:40:59,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:40:59,392 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:40:59,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:40:59,616 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-20 03:40:59,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:00,075 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:41:00,076 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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) [2019-11-20 03:41:00,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:41:00,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:41:00,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:41:00,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:41:00,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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) [2019-11-20 03:41:00,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:41:00,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:41:00,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:41:00,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:41:00,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:41:00,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:41:00,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:41:00,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:41:00,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:41:00,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:41:00,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:41:00,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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) [2019-11-20 03:41:00,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,240 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:41:00,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:41:00,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/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 [2019-11-20 03:41:00,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:41:00,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:41:00,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:41:00,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:41:00,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:41:00,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:41:00,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:41:00,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:41:00,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:41:00,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:41:00,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:41:00,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:41:00,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:41:00,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:41:00,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:41:00,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:41:00,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,350 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:41:00,373 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-20 03:41:00,373 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:41:00,379 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:00,382 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:41:00,382 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:41:00,382 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_2 Supporting invariants [] [2019-11-20 03:41:00,405 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 03:41:00,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 03:41:00,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:41:00,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 03:41:00,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:41:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:41:00,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 03:41:00,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:41:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:41:00,512 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 03:41:00,512 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand 4 states. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Exception during sending of exit command (exit): Broken pipe [2019-11-20 03:41:00,619 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 59 states and 78 transitions. Complement of second has 9 states. [2019-11-20 03:41:00,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2019-11-20 03:41:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:41:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2019-11-20 03:41:00,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-20 03:41:00,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:41:00,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-20 03:41:00,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:41:00,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-20 03:41:00,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:41:00,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 78 transitions. [2019-11-20 03:41:00,623 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-20 03:41:00,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 54 states and 71 transitions. [2019-11-20 03:41:00,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-20 03:41:00,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-20 03:41:00,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 71 transitions. [2019-11-20 03:41:00,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:41:00,624 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-20 03:41:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 71 transitions. [2019-11-20 03:41:00,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 28. [2019-11-20 03:41:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 03:41:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2019-11-20 03:41:00,629 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2019-11-20 03:41:00,629 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2019-11-20 03:41:00,629 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 03:41:00,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2019-11-20 03:41:00,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:41:00,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:41:00,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:41:00,631 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:41:00,631 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:41:00,631 INFO L794 eck$LassoCheckResult]: Stem: 572#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 567#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 568#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 569#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 561#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 554#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 555#L537-3 assume !(main_~k~0 < main_~array_size~0); 562#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 556#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 558#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 574#L520 assume test_fun_#t~mem4 < 0;havoc test_fun_#t~mem4;test_fun_~res~0 := 0; 564#L523-2 [2019-11-20 03:41:00,631 INFO L796 eck$LassoCheckResult]: Loop: 564#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 563#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 564#L523-2 [2019-11-20 03:41:00,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:00,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2019-11-20 03:41:00,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:41:00,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571670732] [2019-11-20 03:41:00,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:41:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:00,653 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:41:00,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:00,653 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 3 times [2019-11-20 03:41:00,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:41:00,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713685401] [2019-11-20 03:41:00,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:41:00,656 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:41:00,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182054550] [2019-11-20 03:41:00,656 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:41:00,700 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-11-20 03:41:00,700 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-20 03:41:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:00,705 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:41:00,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:00,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762520, now seen corresponding path program 1 times [2019-11-20 03:41:00,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:41:00,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202570762] [2019-11-20 03:41:00,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:41:00,711 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:41:00,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644279585] [2019-11-20 03:41:00,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:41:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:41:00,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:41:00,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:41:00,785 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2019-11-20 03:41:00,786 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:41:00,787 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:00,788 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:41:00,788 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-11-20 03:41:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 03:41:00,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202570762] [2019-11-20 03:41:00,794 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 03:41:00,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644279585] [2019-11-20 03:41:00,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:41:00,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:41:00,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896025758] [2019-11-20 03:41:00,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:41:00,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:41:00,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:41:00,831 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 15 Second operand 5 states. [2019-11-20 03:41:00,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:41:00,892 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2019-11-20 03:41:00,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:41:00,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2019-11-20 03:41:00,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:41:00,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 38 transitions. [2019-11-20 03:41:00,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 03:41:00,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 03:41:00,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2019-11-20 03:41:00,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:41:00,895 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-20 03:41:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2019-11-20 03:41:00,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2019-11-20 03:41:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-20 03:41:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2019-11-20 03:41:00,898 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-20 03:41:00,898 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-20 03:41:00,898 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 03:41:00,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2019-11-20 03:41:00,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:41:00,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:41:00,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:41:00,899 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:41:00,899 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:41:00,900 INFO L794 eck$LassoCheckResult]: Stem: 680#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 675#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 676#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 677#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 669#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 663#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 664#L537-3 assume !(main_~k~0 < main_~array_size~0); 670#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 665#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 666#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 678#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 679#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 681#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 661#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 662#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 667#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 682#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 672#L523-2 [2019-11-20 03:41:00,900 INFO L796 eck$LassoCheckResult]: Loop: 672#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 671#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 672#L523-2 [2019-11-20 03:41:00,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:00,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1699551859, now seen corresponding path program 1 times [2019-11-20 03:41:00,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:41:00,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799723709] [2019-11-20 03:41:00,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:41:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:41:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:41:00,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799723709] [2019-11-20 03:41:00,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018722590] [2019-11-20 03:41:00,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:41:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:41:01,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 03:41:01,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:41:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:41:01,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 03:41:01,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-11-20 03:41:01,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716411843] [2019-11-20 03:41:01,111 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:41:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:01,112 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 4 times [2019-11-20 03:41:01,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:41:01,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878747870] [2019-11-20 03:41:01,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:41:01,114 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:41:01,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437621859] [2019-11-20 03:41:01,114 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:41:01,148 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-20 03:41:01,148 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-20 03:41:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:01,153 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:41:01,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:41:01,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-20 03:41:01,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-11-20 03:41:01,199 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. cyclomatic complexity: 13 Second operand 13 states. [2019-11-20 03:41:01,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:41:01,381 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2019-11-20 03:41:01,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 03:41:01,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 57 transitions. [2019-11-20 03:41:01,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:41:01,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 29 states and 37 transitions. [2019-11-20 03:41:01,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 03:41:01,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 03:41:01,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2019-11-20 03:41:01,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:41:01,385 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-11-20 03:41:01,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2019-11-20 03:41:01,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-11-20 03:41:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 03:41:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-20 03:41:01,387 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-20 03:41:01,387 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-20 03:41:01,387 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 03:41:01,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-11-20 03:41:01,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:41:01,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:41:01,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:41:01,389 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:41:01,389 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:41:01,389 INFO L794 eck$LassoCheckResult]: Stem: 823#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 818#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 819#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 820#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 811#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 805#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 806#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 812#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 828#L537-3 assume !(main_~k~0 < main_~array_size~0); 817#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 807#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 808#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 821#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 822#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 827#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 803#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 804#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 809#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 824#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 814#L523-2 [2019-11-20 03:41:01,389 INFO L796 eck$LassoCheckResult]: Loop: 814#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 813#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 814#L523-2 [2019-11-20 03:41:01,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:01,389 INFO L82 PathProgramCache]: Analyzing trace with hash -70989845, now seen corresponding path program 2 times [2019-11-20 03:41:01,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:41:01,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086016229] [2019-11-20 03:41:01,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:41:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:01,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:41:01,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:01,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 5 times [2019-11-20 03:41:01,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:41:01,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368562780] [2019-11-20 03:41:01,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:41:01,436 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:41:01,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206687035] [2019-11-20 03:41:01,437 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:41:01,465 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-20 03:41:01,465 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-20 03:41:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:01,470 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:41:01,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:01,471 INFO L82 PathProgramCache]: Analyzing trace with hash 498237168, now seen corresponding path program 1 times [2019-11-20 03:41:01,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:41:01,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109846539] [2019-11-20 03:41:01,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:41:01,478 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 03:41:01,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [244222281] [2019-11-20 03:41:01,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bceff70a-f9b1-4d85-9f93-b0ddc1cc8f25/bin/uautomizer/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:41:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:41:01,552 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:41:01,950 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 116 [2019-11-20 03:41:02,028 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:41:02,028 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:41:02,028 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:41:02,028 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:41:02,028 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:41:02,028 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:41:02,029 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:41:02,029 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:41:02,029 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration8_Lasso [2019-11-20 03:41:02,029 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:41:02,029 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:41:02,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:41:02,094 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 03:41:02,097 INFO L168 Benchmark]: Toolchain (without parser) took 8304.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 944.7 MB in the beginning and 936.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 201.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:41:02,097 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:41:02,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:41:02,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:41:02,099 INFO L168 Benchmark]: Boogie Preprocessor took 36.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:41:02,099 INFO L168 Benchmark]: RCFGBuilder took 426.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:41:02,099 INFO L168 Benchmark]: BuchiAutomizer took 7271.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 936.6 MB in the end (delta: 159.4 MB). Peak memory consumption was 211.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:41:02,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.45 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 426.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7271.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 936.6 MB in the end (delta: 159.4 MB). Peak memory consumption was 211.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...