./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 7f8b82d203c82fbd9a6998ebae2e5e61d62e5cb0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:55:39,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:39,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:39,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:39,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:39,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:39,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:39,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:39,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:39,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:39,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:40,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:40,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:40,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:40,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:40,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:40,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:40,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:40,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:40,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:40,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:40,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:40,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:40,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:40,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:40,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:40,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:40,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:40,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:40,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:40,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:40,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:40,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:40,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:40,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:40,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:40,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:40,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:40,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:40,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:40,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:40,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:55:40,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:40,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:40,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:40,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:40,061 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:40,061 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:55:40,061 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:55:40,061 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:55:40,061 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:55:40,061 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:55:40,062 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:55:40,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:40,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:40,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:55:40,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:40,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:40,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:40,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:55:40,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:55:40,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:55:40,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:40,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:40,064 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:55:40,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:40,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:55:40,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:40,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:40,065 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:55:40,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:40,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:40,065 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:55:40,066 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:55:40,066 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_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 -> 7f8b82d203c82fbd9a6998ebae2e5e61d62e5cb0 [2019-11-25 08:55:40,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:40,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:40,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:40,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:40,237 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:40,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2019-11-25 08:55:40,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/data/bd42965b0/84dd5db01a0742dda62609b773a9435d/FLAG6192d9b25 [2019-11-25 08:55:40,771 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:40,772 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2019-11-25 08:55:40,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/data/bd42965b0/84dd5db01a0742dda62609b773a9435d/FLAG6192d9b25 [2019-11-25 08:55:41,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/data/bd42965b0/84dd5db01a0742dda62609b773a9435d [2019-11-25 08:55:41,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:41,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:41,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:41,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:41,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:41,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1ea832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41, skipping insertion in model container [2019-11-25 08:55:41,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:41,136 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:41,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:41,535 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:41,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:41,657 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:41,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41 WrapperNode [2019-11-25 08:55:41,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:41,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:41,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:41,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:41,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:41,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:41,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:41,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:41,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... [2019-11-25 08:55:41,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:41,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:41,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:41,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:41,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-25 08:55:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 08:55:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 08:55:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 08:55:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 08:55:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:55:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:55:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:55:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 08:55:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:55:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-25 08:55:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:42,071 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:55:42,099 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:42,100 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:55:42,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:42 BoogieIcfgContainer [2019-11-25 08:55:42,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:42,101 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:55:42,101 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:55:42,104 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:55:42,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:42,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:55:41" (1/3) ... [2019-11-25 08:55:42,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@262898dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:55:42, skipping insertion in model container [2019-11-25 08:55:42,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:42,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:41" (2/3) ... [2019-11-25 08:55:42,106 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@262898dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:55:42, skipping insertion in model container [2019-11-25 08:55:42,106 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:42,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:42" (3/3) ... [2019-11-25 08:55:42,107 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-memleak_nexttime.i [2019-11-25 08:55:42,152 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:55:42,153 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:55:42,153 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:55:42,153 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:42,153 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:42,153 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:55:42,153 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:42,154 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:55:42,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-25 08:55:42,190 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-25 08:55:42,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:42,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:42,197 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:55:42,197 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:55:42,197 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:55:42,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-25 08:55:42,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-25 08:55:42,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:42,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:42,200 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:55:42,200 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:55:42,207 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 10#L-1true havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 3#L633true call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 14##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 4#$Ultimate##0true #t~loopctr7 := 0; 8#L-1-1true [2019-11-25 08:55:42,207 INFO L796 eck$LassoCheckResult]: Loop: 8#L-1-1true assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 8#L-1-1true [2019-11-25 08:55:42,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:42,212 INFO L82 PathProgramCache]: Analyzing trace with hash 28715065, now seen corresponding path program 1 times [2019-11-25 08:55:42,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:42,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440033538] [2019-11-25 08:55:42,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:42,369 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:42,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:42,371 INFO L82 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times [2019-11-25 08:55:42,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:42,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854192742] [2019-11-25 08:55:42,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:42,386 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:42,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:42,388 INFO L82 PathProgramCache]: Analyzing trace with hash 890167032, now seen corresponding path program 1 times [2019-11-25 08:55:42,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:42,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137692629] [2019-11-25 08:55:42,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:42,445 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:42,988 WARN L192 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-11-25 08:55:43,145 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-25 08:55:43,556 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-11-25 08:55:43,746 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-25 08:55:43,762 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:43,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:43,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:43,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:43,764 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:43,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:43,765 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:43,765 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:43,765 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration1_Lasso [2019-11-25 08:55:43,765 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:43,765 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:43,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:43,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:44,352 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-11-25 08:55:44,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:44,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:44,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:44,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:44,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:44,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:44,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:44,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:45,024 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:45,028 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 [2019-11-25 08:55:45,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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) [2019-11-25 08:55:45,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 [2019-11-25 08:55:45,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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) [2019-11-25 08:55:45,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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) [2019-11-25 08:55:45,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 [2019-11-25 08:55:45,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:45,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:45,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:45,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 [2019-11-25 08:55:45,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 [2019-11-25 08:55:45,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,539 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:55:45,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,545 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:55:45,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 [2019-11-25 08:55:45,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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) [2019-11-25 08:55:45,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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 [2019-11-25 08:55:45,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,656 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 [2019-11-25 08:55:45,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:45,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/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) [2019-11-25 08:55:45,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:45,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:45,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:45,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:45,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:45,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:45,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,688 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:45,826 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-25 08:55:45,827 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:45,846 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:45,850 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:55:45,850 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:45,851 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr7, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr7 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2019-11-25 08:55:45,888 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2019-11-25 08:55:45,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-11-25 08:55:45,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:45,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:55:45,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:45,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:55:45,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:46,000 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-25 08:55:46,002 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 2 states. [2019-11-25 08:55:46,053 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 2 states. Result 27 states and 34 transitions. Complement of second has 6 states. [2019-11-25 08:55:46,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:46,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-25 08:55:46,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-25 08:55:46,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-25 08:55:46,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:46,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-25 08:55:46,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:46,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:55:46,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:46,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-11-25 08:55:46,063 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:46,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 18 states and 23 transitions. [2019-11-25 08:55:46,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-25 08:55:46,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-25 08:55:46,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2019-11-25 08:55:46,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:46,070 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-11-25 08:55:46,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2019-11-25 08:55:46,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-25 08:55:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-25 08:55:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-25 08:55:46,095 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-25 08:55:46,095 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-25 08:55:46,095 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:55:46,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-11-25 08:55:46,096 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:46,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:46,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:46,097 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:46,097 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:55:46,097 INFO L794 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 133#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 134#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 135##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 137#$Ultimate##0 #t~loopctr7 := 0; 138#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 146#L-1-3 [2019-11-25 08:55:46,097 INFO L796 eck$LassoCheckResult]: Loop: 146#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 146#L-1-3 [2019-11-25 08:55:46,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:46,097 INFO L82 PathProgramCache]: Analyzing trace with hash 890167034, now seen corresponding path program 1 times [2019-11-25 08:55:46,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:46,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130591506] [2019-11-25 08:55:46,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:46,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130591506] [2019-11-25 08:55:46,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:46,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:55:46,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971655540] [2019-11-25 08:55:46,177 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:55:46,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:46,177 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2019-11-25 08:55:46,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:46,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999721218] [2019-11-25 08:55:46,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:46,188 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:46,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:46,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:55:46,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:55:46,237 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-25 08:55:46,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:46,275 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-11-25 08:55:46,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:55:46,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-11-25 08:55:46,278 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:46,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2019-11-25 08:55:46,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-25 08:55:46,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-25 08:55:46,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-11-25 08:55:46,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:46,279 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-25 08:55:46,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-11-25 08:55:46,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-25 08:55:46,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-25 08:55:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-25 08:55:46,281 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-25 08:55:46,281 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-25 08:55:46,282 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:55:46,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2019-11-25 08:55:46,282 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:46,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:46,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:46,283 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:46,283 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:55:46,283 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 175#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 176#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 177##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 192#$Ultimate##0 #t~loopctr7 := 0; 191#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 189#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 190#L-1-3 [2019-11-25 08:55:46,283 INFO L796 eck$LassoCheckResult]: Loop: 190#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 190#L-1-3 [2019-11-25 08:55:46,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:46,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1825374235, now seen corresponding path program 1 times [2019-11-25 08:55:46,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:46,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119660094] [2019-11-25 08:55:46,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:46,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119660094] [2019-11-25 08:55:46,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036563171] [2019-11-25 08:55:46,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:55:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:46,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:55:46,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:46,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:55:46,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2019-11-25 08:55:46,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318302324] [2019-11-25 08:55:46,438 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:55:46,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:46,438 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 2 times [2019-11-25 08:55:46,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:46,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254672592] [2019-11-25 08:55:46,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:46,454 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:46,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:46,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:55:46,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:55:46,500 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 7 Second operand 8 states. [2019-11-25 08:55:46,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:46,552 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-11-25 08:55:46,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:55:46,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2019-11-25 08:55:46,554 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:46,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2019-11-25 08:55:46,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-25 08:55:46,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-25 08:55:46,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2019-11-25 08:55:46,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:46,556 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-25 08:55:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2019-11-25 08:55:46,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-25 08:55:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-25 08:55:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-11-25 08:55:46,558 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-25 08:55:46,558 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-25 08:55:46,558 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:55:46,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2019-11-25 08:55:46,559 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:46,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:46,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:46,560 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:46,560 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:55:46,560 INFO L794 eck$LassoCheckResult]: Stem: 250#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 242#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 243#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 244##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 261#$Ultimate##0 #t~loopctr7 := 0; 260#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 256#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 257#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 258#L-1-3 [2019-11-25 08:55:46,560 INFO L796 eck$LassoCheckResult]: Loop: 258#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 258#L-1-3 [2019-11-25 08:55:46,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:46,560 INFO L82 PathProgramCache]: Analyzing trace with hash 752026394, now seen corresponding path program 2 times [2019-11-25 08:55:46,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:46,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145419480] [2019-11-25 08:55:46,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:46,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145419480] [2019-11-25 08:55:46,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185206971] [2019-11-25 08:55:46,648 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:55:46,701 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 08:55:46,701 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 08:55:46,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:46,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:46,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:55:46,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2019-11-25 08:55:46,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157299873] [2019-11-25 08:55:46,779 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:55:46,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:46,779 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 3 times [2019-11-25 08:55:46,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:46,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114107416] [2019-11-25 08:55:46,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:46,786 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:46,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:46,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 08:55:46,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:55:46,840 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand 10 states. [2019-11-25 08:55:46,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:46,882 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2019-11-25 08:55:46,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:55:46,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2019-11-25 08:55:46,884 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:46,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2019-11-25 08:55:46,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-25 08:55:46,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-25 08:55:46,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2019-11-25 08:55:46,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:46,885 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-25 08:55:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2019-11-25 08:55:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-25 08:55:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:55:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-11-25 08:55:46,888 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-25 08:55:46,888 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-25 08:55:46,888 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:55:46,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2019-11-25 08:55:46,889 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:46,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:46,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:46,890 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:46,890 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:55:46,890 INFO L794 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 318#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 319#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 320##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 322#$Ultimate##0 #t~loopctr7 := 0; 323#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 330#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 331#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 335#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 333#L-1-3 [2019-11-25 08:55:46,890 INFO L796 eck$LassoCheckResult]: Loop: 333#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 333#L-1-3 [2019-11-25 08:55:46,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:46,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1837981691, now seen corresponding path program 3 times [2019-11-25 08:55:46,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:46,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063100393] [2019-11-25 08:55:46,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:46,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063100393] [2019-11-25 08:55:46,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310051160] [2019-11-25 08:55:46,978 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69adfe3a-37ab-4e3a-80e3-c711096b52c4/bin/uautomizer/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:55:47,038 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-25 08:55:47,038 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 08:55:47,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:55:47,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:47,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:47,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:55:47,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2019-11-25 08:55:47,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925623324] [2019-11-25 08:55:47,097 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:55:47,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:47,097 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 4 times [2019-11-25 08:55:47,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:47,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433188428] [2019-11-25 08:55:47,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:47,103 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:47,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:47,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-25 08:55:47,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:55:47,166 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 7 Second operand 12 states. [2019-11-25 08:55:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:47,224 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2019-11-25 08:55:47,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:55:47,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2019-11-25 08:55:47,226 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:47,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2019-11-25 08:55:47,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-25 08:55:47,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-25 08:55:47,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2019-11-25 08:55:47,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:47,227 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-25 08:55:47,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2019-11-25 08:55:47,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-25 08:55:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:55:47,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-11-25 08:55:47,230 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-25 08:55:47,230 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-25 08:55:47,230 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:55:47,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2019-11-25 08:55:47,230 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-25 08:55:47,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:47,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:47,231 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:47,231 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:55:47,231 INFO L794 eck$LassoCheckResult]: Stem: 410#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 403#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 404#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 405##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 408#$Ultimate##0 #t~loopctr7 := 0; 409#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 415#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 416#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 422#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 420#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 418#L-1-3 [2019-11-25 08:55:47,231 INFO L796 eck$LassoCheckResult]: Loop: 418#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 418#L-1-3 [2019-11-25 08:55:47,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:47,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1142857530, now seen corresponding path program 4 times [2019-11-25 08:55:47,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:47,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416173119] [2019-11-25 08:55:47,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:47,271 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:47,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:47,271 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 5 times [2019-11-25 08:55:47,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:47,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151281010] [2019-11-25 08:55:47,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:47,282 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:47,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:47,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1068845085, now seen corresponding path program 1 times [2019-11-25 08:55:47,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:47,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637670393] [2019-11-25 08:55:47,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:47,350 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:48,199 WARN L192 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2019-11-25 08:55:48,269 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:55:48,585 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-11-25 08:55:48,586 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:48,597 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:55:48,813 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-25 08:55:48,813 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:48,829 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:55:49,022 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-11-25 08:55:49,023 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:49,029 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:55:49,207 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-25 08:55:49,207 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:49,215 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:55:49,346 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-25 08:55:49,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:49,351 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:55:49,472 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-11-25 08:55:49,472 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:49,473 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-11-25 08:55:49,474 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:395, output treesize:311 [2019-11-25 08:55:49,759 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-11-25 08:55:49,871 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-25 08:55:50,576 WARN L192 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2019-11-25 08:55:50,851 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-25 08:55:50,853 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:50,853 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:50,853 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:50,853 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:50,854 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:50,854 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:50,854 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:50,854 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:50,854 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration6_Lasso [2019-11-25 08:55:50,854 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:50,854 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:50,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:50,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:51,479 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 08:55:51,481 INFO L168 Benchmark]: Toolchain (without parser) took 10399.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.7 MB). Free memory was 944.7 MB in the beginning and 955.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 265.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:51,482 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:51,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:51,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:51,483 INFO L168 Benchmark]: Boogie Preprocessor took 25.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:51,483 INFO L168 Benchmark]: RCFGBuilder took 367.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:51,483 INFO L168 Benchmark]: BuchiAutomizer took 9378.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.1 GB in the beginning and 955.0 MB in the end (delta: 136.8 MB). Peak memory consumption was 264.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:51,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 575.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.88 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. * RCFGBuilder took 367.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9378.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.1 GB in the beginning and 955.0 MB in the end (delta: 136.8 MB). Peak memory consumption was 264.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...