./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/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 bb53649e57c73811eb036860baf1102917fa8259 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:37:48,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:37:48,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:37:48,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:37:48,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:37:48,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:37:48,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:37:48,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:37:48,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:37:48,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:37:48,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:37:48,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:37:48,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:37:48,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:37:48,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:37:48,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:37:48,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:37:48,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:37:48,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:37:48,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:37:48,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:37:48,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:37:48,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:37:48,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:37:48,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:37:48,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:37:48,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:37:48,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:37:48,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:37:48,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:37:48,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:37:48,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:37:48,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:37:48,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:37:48,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:37:48,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:37:48,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:37:48,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:37:48,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:37:48,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:37:48,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:37:48,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:37:48,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:37:48,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:37:48,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:37:48,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:37:48,161 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:37:48,162 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:37:48,162 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:37:48,162 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:37:48,162 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:37:48,162 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:37:48,162 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:37:48,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:37:48,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:37:48,162 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:37:48,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:37:48,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:37:48,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:37:48,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:37:48,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:37:48,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:37:48,163 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:37:48,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:37:48,164 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:37:48,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:37:48,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:37:48,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:37:48,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:37:48,164 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:37:48,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:37:48,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:37:48,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:37:48,165 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:37:48,165 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:37:48,166 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_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/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 -> bb53649e57c73811eb036860baf1102917fa8259 [2019-12-07 18:37:48,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:37:48,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:37:48,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:37:48,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:37:48,275 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:37:48,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2019-12-07 18:37:48,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/data/67f4d4f4b/177318d53b5b457189f33345894dff02/FLAGcb8f7c50a [2019-12-07 18:37:48,831 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:37:48,832 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2019-12-07 18:37:48,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/data/67f4d4f4b/177318d53b5b457189f33345894dff02/FLAGcb8f7c50a [2019-12-07 18:37:49,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/data/67f4d4f4b/177318d53b5b457189f33345894dff02 [2019-12-07 18:37:49,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:37:49,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:37:49,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:49,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:37:49,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:37:49,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3721db27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49, skipping insertion in model container [2019-12-07 18:37:49,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:37:49,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:37:49,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:49,635 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:37:49,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:49,728 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:37:49,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49 WrapperNode [2019-12-07 18:37:49,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:49,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:49,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:37:49,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:37:49,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:49,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:37:49,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:37:49,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:37:49,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... [2019-12-07 18:37:49,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:37:49,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:37:49,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:37:49,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:37:49,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:37:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:37:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:37:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:37:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:37:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:37:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:37:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:37:49,990 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:37:49,990 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-07 18:37:49,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:49 BoogieIcfgContainer [2019-12-07 18:37:49,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:37:49,992 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:37:49,992 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:37:49,994 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:37:49,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:37:49,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:37:49" (1/3) ... [2019-12-07 18:37:49,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cef85fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:37:49, skipping insertion in model container [2019-12-07 18:37:49,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:37:49,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:49" (2/3) ... [2019-12-07 18:37:49,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cef85fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:37:49, skipping insertion in model container [2019-12-07 18:37:49,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:37:49,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:49" (3/3) ... [2019-12-07 18:37:49,997 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_1.i [2019-12-07 18:37:50,024 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:37:50,025 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:37:50,025 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:37:50,025 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:37:50,025 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:37:50,025 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:37:50,025 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:37:50,025 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:37:50,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:37:50,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 18:37:50,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:50,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:50,052 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:37:50,052 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:37:50,052 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:37:50,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:37:50,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 18:37:50,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:50,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:50,054 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:37:50,054 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:37:50,057 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 10#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 16#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 11#L766true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 14#L767-3true [2019-12-07 18:37:50,057 INFO L796 eck$LassoCheckResult]: Loop: 14#L767-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 6#L526-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 17#L529-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 9#L769true assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 13#L767-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 14#L767-3true [2019-12-07 18:37:50,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:50,061 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-12-07 18:37:50,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:50,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475136578] [2019-12-07 18:37:50,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:50,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475136578] [2019-12-07 18:37:50,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:50,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:37:50,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371281672] [2019-12-07 18:37:50,185 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:37:50,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:50,185 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2019-12-07 18:37:50,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:50,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651736610] [2019-12-07 18:37:50,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:50,222 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:50,359 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-12-07 18:37:50,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:50,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:37:50,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:37:50,435 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2019-12-07 18:37:50,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:50,477 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2019-12-07 18:37:50,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:37:50,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2019-12-07 18:37:50,480 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-12-07 18:37:50,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 25 transitions. [2019-12-07 18:37:50,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 18:37:50,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 18:37:50,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2019-12-07 18:37:50,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:37:50,485 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 18:37:50,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2019-12-07 18:37:50,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-12-07 18:37:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 18:37:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-07 18:37:50,502 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 18:37:50,502 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 18:37:50,502 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:37:50,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-12-07 18:37:50,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 18:37:50,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:50,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:50,503 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:37:50,503 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:37:50,504 INFO L794 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 66#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 59#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 60#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 67#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 68#L767-3 [2019-12-07 18:37:50,504 INFO L796 eck$LassoCheckResult]: Loop: 68#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 64#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 65#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 68#L767-3 [2019-12-07 18:37:50,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:50,504 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2019-12-07 18:37:50,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:50,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258023665] [2019-12-07 18:37:50,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:50,524 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:50,524 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2019-12-07 18:37:50,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:50,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325354141] [2019-12-07 18:37:50,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:50,547 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:50,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:50,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2019-12-07 18:37:50,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:50,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197949034] [2019-12-07 18:37:50,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:50,582 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:50,684 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-12-07 18:37:50,860 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-12-07 18:37:50,928 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:37:50,928 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:37:50,928 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:37:50,929 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:37:50,929 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:37:50,929 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:50,929 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:37:50,929 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:37:50,929 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration2_Lasso [2019-12-07 18:37:50,929 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:37:50,929 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:37:50,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:50,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:51,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:51,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:51,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:51,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:51,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:51,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:51,591 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:37:51,594 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:51,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:51,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:51,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:51,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:51,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:51,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:51,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:51,622 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:51,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:51,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:51,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:51,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:51,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:51,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:51,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:51,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:51,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:51,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:51,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:51,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:51,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:51,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:51,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:51,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:51,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:51,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:51,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:51,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:51,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:51,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:51,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:51,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:51,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:51,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:51,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:51,730 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:37:51,766 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 18:37:51,766 INFO L444 ModelExtractionUtils]: 18 out of 43 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:51,770 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:37:51,777 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 18:37:51,778 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:37:51,778 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~i~0) = -2*ULTIMATE.start_entry_point_~i~0 + 19 Supporting invariants [-1*ULTIMATE.start_entry_point_~len~0 + 10 >= 0] [2019-12-07 18:37:51,798 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 18:37:51,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:51,843 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:37:51,844 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:37:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:51,861 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:37:51,861 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:37:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:51,877 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 18:37:51,878 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-12-07 18:37:51,926 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 27 states and 36 transitions. Complement of second has 7 states. [2019-12-07 18:37:51,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:37:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:37:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2019-12-07 18:37:51,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 5 letters. [2019-12-07 18:37:51,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:51,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 10 letters. Loop has 5 letters. [2019-12-07 18:37:51,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:51,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 18:37:51,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:51,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2019-12-07 18:37:51,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 18:37:51,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 20 states and 26 transitions. [2019-12-07 18:37:51,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 18:37:51,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-12-07 18:37:51,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2019-12-07 18:37:51,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:37:51,932 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-12-07 18:37:51,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2019-12-07 18:37:51,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-12-07 18:37:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:37:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-12-07 18:37:51,933 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-12-07 18:37:51,933 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-12-07 18:37:51,933 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:37:51,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-12-07 18:37:51,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:37:51,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:51,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:51,934 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:51,934 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:37:51,935 INFO L794 eck$LassoCheckResult]: Stem: 196#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 193#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 183#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 184#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 194#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 195#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 181#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 182#L773-3 [2019-12-07 18:37:51,935 INFO L796 eck$LassoCheckResult]: Loop: 182#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 185#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 182#L773-3 [2019-12-07 18:37:51,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:51,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1804968475, now seen corresponding path program 1 times [2019-12-07 18:37:51,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:51,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288463733] [2019-12-07 18:37:51,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:51,960 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288463733] [2019-12-07 18:37:51,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:51,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:37:51,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947339111] [2019-12-07 18:37:51,961 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:37:51,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:51,961 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 1 times [2019-12-07 18:37:51,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:51,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568627638] [2019-12-07 18:37:51,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:51,967 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:51,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:51,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:37:51,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:37:51,990 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-12-07 18:37:52,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:52,005 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2019-12-07 18:37:52,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:37:52,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-12-07 18:37:52,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 18:37:52,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2019-12-07 18:37:52,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 18:37:52,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 18:37:52,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2019-12-07 18:37:52,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:37:52,007 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-12-07 18:37:52,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2019-12-07 18:37:52,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2019-12-07 18:37:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:37:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-12-07 18:37:52,009 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 18:37:52,009 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 18:37:52,009 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:37:52,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2019-12-07 18:37:52,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:37:52,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:52,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:52,010 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:52,010 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:37:52,010 INFO L794 eck$LassoCheckResult]: Stem: 247#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 244#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 234#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 235#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 245#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 246#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 237#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 238#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 241#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 232#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 233#L773-3 [2019-12-07 18:37:52,010 INFO L796 eck$LassoCheckResult]: Loop: 233#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 236#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 233#L773-3 [2019-12-07 18:37:52,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1173218535, now seen corresponding path program 1 times [2019-12-07 18:37:52,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175699207] [2019-12-07 18:37:52,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,026 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:52,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 2 times [2019-12-07 18:37:52,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588797616] [2019-12-07 18:37:52,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,032 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:52,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,032 INFO L82 PathProgramCache]: Analyzing trace with hash 2113388251, now seen corresponding path program 1 times [2019-12-07 18:37:52,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357992605] [2019-12-07 18:37:52,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:52,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357992605] [2019-12-07 18:37:52,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:52,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:37:52,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345233946] [2019-12-07 18:37:52,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:52,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:37:52,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:37:52,073 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-12-07 18:37:52,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:52,092 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-12-07 18:37:52,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:37:52,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2019-12-07 18:37:52,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:37:52,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 26 transitions. [2019-12-07 18:37:52,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 18:37:52,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 18:37:52,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2019-12-07 18:37:52,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:37:52,095 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-12-07 18:37:52,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2019-12-07 18:37:52,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-12-07 18:37:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:37:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 18:37:52,096 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 18:37:52,097 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 18:37:52,097 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 18:37:52,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-12-07 18:37:52,097 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:37:52,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:52,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:52,098 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:52,098 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:37:52,098 INFO L794 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 298#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 288#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 289#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 299#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 300#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 293#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 294#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 296#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 297#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 302#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 286#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 287#L773-3 [2019-12-07 18:37:52,098 INFO L796 eck$LassoCheckResult]: Loop: 287#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 290#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 287#L773-3 [2019-12-07 18:37:52,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,099 INFO L82 PathProgramCache]: Analyzing trace with hash 2113443111, now seen corresponding path program 1 times [2019-12-07 18:37:52,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960496692] [2019-12-07 18:37:52,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:52,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960496692] [2019-12-07 18:37:52,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:52,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:37:52,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199850189] [2019-12-07 18:37:52,128 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:37:52,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,129 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 3 times [2019-12-07 18:37:52,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090469030] [2019-12-07 18:37:52,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,134 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:52,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:52,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:37:52,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:37:52,154 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-12-07 18:37:52,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:52,172 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2019-12-07 18:37:52,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:37:52,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-12-07 18:37:52,173 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-12-07 18:37:52,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2019-12-07 18:37:52,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 18:37:52,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 18:37:52,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2019-12-07 18:37:52,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:37:52,174 INFO L688 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-12-07 18:37:52,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2019-12-07 18:37:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2019-12-07 18:37:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:37:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-12-07 18:37:52,175 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 18:37:52,175 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 18:37:52,175 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 18:37:52,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-12-07 18:37:52,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:37:52,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:52,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:52,176 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:52,176 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:37:52,176 INFO L794 eck$LassoCheckResult]: Stem: 354#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 351#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 341#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 342#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 352#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 353#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 346#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 347#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 349#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 350#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 355#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 339#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 340#L773-3 [2019-12-07 18:37:52,176 INFO L796 eck$LassoCheckResult]: Loop: 340#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 343#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 340#L773-3 [2019-12-07 18:37:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,177 INFO L82 PathProgramCache]: Analyzing trace with hash 2056184809, now seen corresponding path program 1 times [2019-12-07 18:37:52,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922637637] [2019-12-07 18:37:52,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:52,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922637637] [2019-12-07 18:37:52,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640428240] [2019-12-07 18:37:52,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:37:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:52,241 INFO L264 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:37:52,242 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:37:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:52,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:37:52,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-12-07 18:37:52,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580289727] [2019-12-07 18:37:52,277 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:37:52,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 4 times [2019-12-07 18:37:52,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536466251] [2019-12-07 18:37:52,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,285 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:52,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:52,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 18:37:52,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:37:52,307 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-12-07 18:37:52,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:52,329 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-12-07 18:37:52,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:37:52,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-12-07 18:37:52,330 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 18:37:52,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2019-12-07 18:37:52,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 18:37:52,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 18:37:52,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2019-12-07 18:37:52,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:37:52,331 INFO L688 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2019-12-07 18:37:52,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2019-12-07 18:37:52,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 22. [2019-12-07 18:37:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 18:37:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-12-07 18:37:52,332 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-12-07 18:37:52,332 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-12-07 18:37:52,332 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 18:37:52,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2019-12-07 18:37:52,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:37:52,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:37:52,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:37:52,333 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:52,333 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:37:52,334 INFO L794 eck$LassoCheckResult]: Stem: 446#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 443#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 433#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 434#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 444#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 445#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 448#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 449#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 441#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 442#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 447#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 436#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 437#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 440#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 431#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 432#L773-3 [2019-12-07 18:37:52,334 INFO L796 eck$LassoCheckResult]: Loop: 432#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 435#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 432#L773-3 [2019-12-07 18:37:52,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,334 INFO L82 PathProgramCache]: Analyzing trace with hash 979558027, now seen corresponding path program 1 times [2019-12-07 18:37:52,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094456245] [2019-12-07 18:37:52,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,352 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:52,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 5 times [2019-12-07 18:37:52,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543741268] [2019-12-07 18:37:52,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,357 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:52,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:52,358 INFO L82 PathProgramCache]: Analyzing trace with hash 757427661, now seen corresponding path program 1 times [2019-12-07 18:37:52,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:52,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933770652] [2019-12-07 18:37:52,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:52,378 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:52,770 WARN L192 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2019-12-07 18:37:52,869 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:37:52,869 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:37:52,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:37:52,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:37:52,870 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:37:52,870 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:52,870 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:37:52,870 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:37:52,870 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration7_Lasso [2019-12-07 18:37:52,870 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:37:52,870 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:37:52,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:52,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:53,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:53,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:53,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:53,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:53,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:37:53,304 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-07 18:37:53,333 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:37:53,334 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:53,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:53,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:53,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:53,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:53,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:53,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:53,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:53,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:53,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:53,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:53,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:53,446 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:53,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:53,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:37:53,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:37:53,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:37:53,481 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:37:53,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:37:53,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:37:53,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:37:53,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:37:53,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:37:53,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:37:53,498 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:37:53,514 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 18:37:53,515 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a7387d4-8f23-4d46-8ddd-20b0bb3823c3/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:37:53,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:37:53,520 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:37:53,520 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:37:53,520 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~j~0) = 2*ULTIMATE.start_entry_point_~j~0 + 1 Supporting invariants [] [2019-12-07 18:37:53,535 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 18:37:53,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:53,558 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:37:53,559 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:37:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:53,564 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:37:53,564 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:37:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:53,571 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:37:53,571 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-12-07 18:37:53,578 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 24 states and 29 transitions. Complement of second has 4 states. [2019-12-07 18:37:53,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:37:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:37:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2019-12-07 18:37:53,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2019-12-07 18:37:53,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:53,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2019-12-07 18:37:53,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:53,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2019-12-07 18:37:53,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:37:53,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-12-07 18:37:53,580 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:37:53,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-12-07 18:37:53,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:37:53,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:37:53,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:37:53,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:37:53,581 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:37:53,581 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:37:53,581 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:37:53,581 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 18:37:53,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:37:53,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:37:53,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:37:53,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:37:53 BoogieIcfgContainer [2019-12-07 18:37:53,587 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:37:53,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:37:53,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:37:53,587 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:37:53,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:49" (3/4) ... [2019-12-07 18:37:53,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:37:53,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:37:53,592 INFO L168 Benchmark]: Toolchain (without parser) took 4242.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 931.4 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:53,592 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:53,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 931.4 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:53,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:53,593 INFO L168 Benchmark]: Boogie Preprocessor took 18.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:53,593 INFO L168 Benchmark]: RCFGBuilder took 207.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:53,594 INFO L168 Benchmark]: BuchiAutomizer took 3595.19 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -60.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:53,594 INFO L168 Benchmark]: Witness Printer took 3.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:53,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 931.4 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 207.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3595.19 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -60.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 5 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 139 SDslu, 109 SDs, 0 SdLazy, 92 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital255 mio100 ax111 hnf101 lsp83 ukn56 mio100 lsp58 div100 bol100 ite100 ukn100 eq191 hnf90 smp100 dnf109 smp92 tf100 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...