./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.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_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 c99147d7fc15b82aae203d59dfd3004b20a3ac70 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:47,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:47,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:47,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:47,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:47,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:47,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:47,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:47,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:47,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:47,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:47,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:47,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:47,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:47,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:47,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:47,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:47,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:47,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:47,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:47,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:47,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:47,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:47,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:47,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:47,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:47,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:47,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:47,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:47,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:47,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:47,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:47,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:47,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:47,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:47,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:47,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:47,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:47,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:47,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:47,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:47,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:49:47,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:47,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:47,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:47,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:47,774 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:47,775 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:49:47,775 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:49:47,775 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:49:47,775 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:49:47,775 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:49:47,776 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:49:47,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:47,776 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:47,776 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:49:47,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:47,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:47,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:47,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:49:47,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:49:47,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:49:47,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:47,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:47,779 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:49:47,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:47,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:49:47,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:47,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:47,780 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:49:47,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:47,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:47,781 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:49:47,782 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:49:47,782 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_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 -> c99147d7fc15b82aae203d59dfd3004b20a3ac70 [2019-11-25 08:49:47,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:47,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:47,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:47,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:47,962 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:47,962 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2019-11-25 08:49:48,022 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/data/dc8a500b9/9bcfb75d446d4156aceb9c3c92b1260d/FLAG63feefd2c [2019-11-25 08:49:48,489 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:48,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2019-11-25 08:49:48,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/data/dc8a500b9/9bcfb75d446d4156aceb9c3c92b1260d/FLAG63feefd2c [2019-11-25 08:49:48,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/data/dc8a500b9/9bcfb75d446d4156aceb9c3c92b1260d [2019-11-25 08:49:48,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:48,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:48,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:48,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:48,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:48,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:48" (1/1) ... [2019-11-25 08:49:48,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424000bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:48, skipping insertion in model container [2019-11-25 08:49:48,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:48" (1/1) ... [2019-11-25 08:49:48,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:48,915 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:49,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:49,384 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:49,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:49,517 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:49,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49 WrapperNode [2019-11-25 08:49:49,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:49,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:49,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:49,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:49,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:49,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:49,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:49,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:49,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... [2019-11-25 08:49:49,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:49,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:49,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:49,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:49,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:49:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:49:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:49:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 08:49:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:49,971 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:49,972 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-25 08:49:49,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:49 BoogieIcfgContainer [2019-11-25 08:49:49,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:49,973 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:49:49,973 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:49:49,978 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:49:49,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:49,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:49:48" (1/3) ... [2019-11-25 08:49:49,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a32e9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:49, skipping insertion in model container [2019-11-25 08:49:49,980 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:49,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:49" (2/3) ... [2019-11-25 08:49:49,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a32e9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:49, skipping insertion in model container [2019-11-25 08:49:49,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:49,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:49" (3/3) ... [2019-11-25 08:49:49,982 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18.i [2019-11-25 08:49:50,034 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:49:50,035 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:49:50,035 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:49:50,035 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:50,035 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:50,035 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:49:50,035 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:50,035 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:49:50,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-25 08:49:50,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:49:50,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:50,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:50,083 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:50,083 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:50,084 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:49:50,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-25 08:49:50,086 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:49:50,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:50,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:50,087 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:50,087 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:50,092 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 11#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 5#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 16#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 17#L763true assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 14#L767-3true [2019-11-25 08:49:50,093 INFO L796 eck$LassoCheckResult]: Loop: 14#L767-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 7#L526-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 18#L529-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 10#L769true assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 13#L767-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 14#L767-3true [2019-11-25 08:49:50,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:50,100 INFO L82 PathProgramCache]: Analyzing trace with hash 28695751, now seen corresponding path program 1 times [2019-11-25 08:49:50,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:50,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356249622] [2019-11-25 08:49:50,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:50,344 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 08:49:50,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356249622] [2019-11-25 08:49:50,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:50,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:49:50,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030108489] [2019-11-25 08:49:50,352 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:49:50,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:50,353 INFO L82 PathProgramCache]: Analyzing trace with hash 47811737, now seen corresponding path program 1 times [2019-11-25 08:49:50,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:50,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193850652] [2019-11-25 08:49:50,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:50,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:50,843 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-25 08:49:50,975 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-25 08:49:50,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:50,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:49:50,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:49:50,995 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-11-25 08:49:51,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:51,096 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-11-25 08:49:51,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:49:51,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-25 08:49:51,101 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-25 08:49:51,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 20 states and 25 transitions. [2019-11-25 08:49:51,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-25 08:49:51,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-25 08:49:51,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2019-11-25 08:49:51,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:51,108 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-25 08:49:51,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2019-11-25 08:49:51,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-11-25 08:49:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-25 08:49:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-25 08:49:51,138 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-25 08:49:51,138 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-25 08:49:51,138 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:49:51,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-25 08:49:51,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-25 08:49:51,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:51,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:51,139 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:51,140 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:49:51,140 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 69#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 72#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 71#L767-3 [2019-11-25 08:49:51,140 INFO L796 eck$LassoCheckResult]: Loop: 71#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 65#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 66#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 67#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 68#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 71#L767-3 [2019-11-25 08:49:51,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:51,141 INFO L82 PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times [2019-11-25 08:49:51,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:51,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469164468] [2019-11-25 08:49:51,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:51,177 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:51,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:51,178 INFO L82 PathProgramCache]: Analyzing trace with hash 47811737, now seen corresponding path program 2 times [2019-11-25 08:49:51,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:51,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566408487] [2019-11-25 08:49:51,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:51,231 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:51,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:51,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1232444971, now seen corresponding path program 1 times [2019-11-25 08:49:51,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:51,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904812905] [2019-11-25 08:49:51,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:51,309 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:51,561 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-25 08:49:51,666 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-25 08:49:51,948 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-11-25 08:49:52,075 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-25 08:49:52,090 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:52,096 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:52,096 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:52,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:52,097 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:52,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:52,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:52,099 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:52,099 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18.i_Iteration2_Lasso [2019-11-25 08:49:52,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:52,099 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:52,147 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 08:49:52,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:52,162 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 08:49:52,166 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 08:49:52,473 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-25 08:49:52,590 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 08:49:52,593 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 08:49:52,596 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 08:49:52,606 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 08:49:52,610 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 08:49:52,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:52,637 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 08:49:52,641 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 08:49:52,643 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 08:49:52,646 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 08:49:52,654 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 08:49:52,658 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 08:49:52,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:52,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:53,197 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-25 08:49:53,446 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:53,452 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:53,471 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 08:49:53,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:53,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:53,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:53,495 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 08:49:53,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:53,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:53,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:53,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:53,514 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 08:49:53,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:53,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:53,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:53,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:53,528 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 08:49:53,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:53,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:53,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:53,546 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 08:49:53,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:53,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:53,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:53,569 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 08:49:53,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:53,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:53,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:53,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:53,594 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 08:49:53,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:53,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:53,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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) [2019-11-25 08:49:53,630 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 08:49:53,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:53,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:53,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:53,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:53,658 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 08:49:53,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,661 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:53,662 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:49:53,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:53,709 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-25 08:49:53,709 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-25 08:49:53,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:53,784 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 08:49:53,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:53,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:53,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:53,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:53,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:53,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:53,841 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:53,982 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-25 08:49:53,982 INFO L444 ModelExtractionUtils]: 24 out of 43 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:53,998 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:49:54,002 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:54,003 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:54,003 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~i~0) = 1*ULTIMATE.start_entry_point_~len~0 - 1*ULTIMATE.start_entry_point_~i~0 Supporting invariants [] [2019-11-25 08:49:54,027 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-25 08:49:54,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:54,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:49:54,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:54,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:54,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:54,131 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 08:49:54,135 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:49:54,136 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-25 08:49:54,208 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 27 states and 36 transitions. Complement of second has 6 states. [2019-11-25 08:49:54,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-11-25 08:49:54,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 5 letters. [2019-11-25 08:49:54,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:54,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 5 letters. [2019-11-25 08:49:54,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:54,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-25 08:49:54,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:54,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2019-11-25 08:49:54,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:49:54,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 20 states and 26 transitions. [2019-11-25 08:49:54,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-25 08:49:54,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:49:54,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2019-11-25 08:49:54,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:54,226 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-11-25 08:49:54,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2019-11-25 08:49:54,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-11-25 08:49:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-25 08:49:54,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-11-25 08:49:54,229 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-25 08:49:54,229 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-25 08:49:54,229 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:49:54,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-11-25 08:49:54,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:49:54,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:54,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:54,231 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:54,231 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:49:54,231 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 185#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 175#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 176#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 189#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 188#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 173#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 174#L773-3 [2019-11-25 08:49:54,231 INFO L796 eck$LassoCheckResult]: Loop: 174#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 177#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 174#L773-3 [2019-11-25 08:49:54,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966489, now seen corresponding path program 1 times [2019-11-25 08:49:54,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:54,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520530122] [2019-11-25 08:49:54,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:54,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520530122] [2019-11-25 08:49:54,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:54,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:49:54,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577079036] [2019-11-25 08:49:54,351 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:49:54,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2019-11-25 08:49:54,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:54,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389871045] [2019-11-25 08:49:54,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:54,362 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:54,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:54,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:49:54,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:49:54,429 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-25 08:49:54,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:54,453 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2019-11-25 08:49:54,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:49:54,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-11-25 08:49:54,455 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:49:54,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2019-11-25 08:49:54,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-25 08:49:54,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-25 08:49:54,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2019-11-25 08:49:54,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:54,457 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-25 08:49:54,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2019-11-25 08:49:54,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2019-11-25 08:49:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-25 08:49:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-11-25 08:49:54,459 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-11-25 08:49:54,459 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-11-25 08:49:54,460 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:49:54,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2019-11-25 08:49:54,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:49:54,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:54,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:54,461 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:54,461 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:49:54,464 INFO L794 eck$LassoCheckResult]: Stem: 237#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 236#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 226#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 227#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 240#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 239#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 229#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 230#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 233#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 224#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 225#L773-3 [2019-11-25 08:49:54,465 INFO L796 eck$LassoCheckResult]: Loop: 225#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 228#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 225#L773-3 [2019-11-25 08:49:54,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1232385447, now seen corresponding path program 1 times [2019-11-25 08:49:54,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:54,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055432618] [2019-11-25 08:49:54,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:54,519 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:54,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,519 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 2 times [2019-11-25 08:49:54,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:54,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819679621] [2019-11-25 08:49:54,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:54,532 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:54,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1088560603, now seen corresponding path program 1 times [2019-11-25 08:49:54,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:54,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938967566] [2019-11-25 08:49:54,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:54,562 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 08:49:54,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938967566] [2019-11-25 08:49:54,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:54,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:49:54,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358044778] [2019-11-25 08:49:54,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:54,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:49:54,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:49:54,594 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-25 08:49:54,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:54,628 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-11-25 08:49:54,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:49:54,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2019-11-25 08:49:54,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:49:54,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 26 transitions. [2019-11-25 08:49:54,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-25 08:49:54,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-25 08:49:54,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2019-11-25 08:49:54,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:54,632 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-11-25 08:49:54,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2019-11-25 08:49:54,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-11-25 08:49:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-25 08:49:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-25 08:49:54,634 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-25 08:49:54,634 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-25 08:49:54,634 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:49:54,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-11-25 08:49:54,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:49:54,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:54,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:54,636 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:54,636 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:49:54,636 INFO L794 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 290#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 280#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 281#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 294#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 293#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 285#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 286#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 288#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 289#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 292#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 278#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 279#L773-3 [2019-11-25 08:49:54,637 INFO L796 eck$LassoCheckResult]: Loop: 279#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 282#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 279#L773-3 [2019-11-25 08:49:54,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1088615463, now seen corresponding path program 1 times [2019-11-25 08:49:54,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:54,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323833370] [2019-11-25 08:49:54,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:54,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:54,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323833370] [2019-11-25 08:49:54,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:54,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:49:54,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264373307] [2019-11-25 08:49:54,678 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:49:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 3 times [2019-11-25 08:49:54,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:54,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078530453] [2019-11-25 08:49:54,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:54,689 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:54,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:54,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:49:54,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:49:54,739 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-25 08:49:54,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:54,779 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2019-11-25 08:49:54,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:49:54,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-11-25 08:49:54,783 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-25 08:49:54,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2019-11-25 08:49:54,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-25 08:49:54,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-25 08:49:54,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2019-11-25 08:49:54,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:54,784 INFO L688 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-11-25 08:49:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2019-11-25 08:49:54,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2019-11-25 08:49:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-25 08:49:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-25 08:49:54,789 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-25 08:49:54,789 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-25 08:49:54,789 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:49:54,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-25 08:49:54,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:49:54,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:54,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:54,791 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:54,791 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:49:54,791 INFO L794 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 343#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 333#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 334#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 347#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 346#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 338#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 339#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 341#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 342#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 345#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 331#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 332#L773-3 [2019-11-25 08:49:54,791 INFO L796 eck$LassoCheckResult]: Loop: 332#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 335#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 332#L773-3 [2019-11-25 08:49:54,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:54,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1031357161, now seen corresponding path program 1 times [2019-11-25 08:49:54,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:54,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283252886] [2019-11-25 08:49:54,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:54,869 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 08:49:54,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283252886] [2019-11-25 08:49:54,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036210681] [2019-11-25 08:49:54,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:49:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:54,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:54,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:55,013 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 08:49:55,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:49:55,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-11-25 08:49:55,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320309982] [2019-11-25 08:49:55,015 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:49:55,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:55,015 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 4 times [2019-11-25 08:49:55,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:55,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969978215] [2019-11-25 08:49:55,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:55,031 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:55,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:55,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:49:55,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:49:55,081 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-11-25 08:49:55,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:55,132 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-11-25 08:49:55,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:49:55,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-25 08:49:55,134 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:49:55,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2019-11-25 08:49:55,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-25 08:49:55,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-25 08:49:55,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2019-11-25 08:49:55,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:55,135 INFO L688 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2019-11-25 08:49:55,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2019-11-25 08:49:55,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 22. [2019-11-25 08:49:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:49:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-25 08:49:55,138 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-25 08:49:55,138 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-25 08:49:55,138 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:49:55,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2019-11-25 08:49:55,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:49:55,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:55,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:55,139 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:55,140 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:49:55,140 INFO L794 eck$LassoCheckResult]: Stem: 436#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 435#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 425#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 426#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 440#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 438#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 430#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 431#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 433#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 434#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 437#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 428#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 429#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 432#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 423#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 424#L773-3 [2019-11-25 08:49:55,140 INFO L796 eck$LassoCheckResult]: Loop: 424#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 427#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 424#L773-3 [2019-11-25 08:49:55,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:55,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1033365559, now seen corresponding path program 1 times [2019-11-25 08:49:55,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:55,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900563491] [2019-11-25 08:49:55,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:55,201 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:55,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:55,202 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 5 times [2019-11-25 08:49:55,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:55,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743321546] [2019-11-25 08:49:55,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:55,224 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:55,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:55,229 INFO L82 PathProgramCache]: Analyzing trace with hash -926855349, now seen corresponding path program 1 times [2019-11-25 08:49:55,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:55,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647540732] [2019-11-25 08:49:55,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:55,282 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:55,932 WARN L192 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2019-11-25 08:49:56,090 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-25 08:49:56,092 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:56,092 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:56,092 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:56,092 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:56,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:56,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:56,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:56,093 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:56,093 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18.i_Iteration7_Lasso [2019-11-25 08:49:56,093 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:56,093 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:56,097 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 08:49:56,116 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 08:49:56,118 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 08:49:56,120 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 08:49:56,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:56,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:56,132 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 08:49:56,134 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 08:49:56,136 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 08:49:56,138 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 08:49:56,141 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 08:49:56,144 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 08:49:56,146 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 08:49:56,149 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 08:49:56,366 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-25 08:49:56,394 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 08:49:56,401 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 08:49:56,403 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 08:49:56,405 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 08:49:56,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:56,410 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 08:49:56,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:56,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:56,739 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-11-25 08:49:56,818 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:56,819 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:56,824 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 08:49:56,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:56,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:56,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:56,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:56,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:56,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:56,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:56,846 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 08:49:56,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:56,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:56,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:56,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:56,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:56,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:56,849 INFO L402 nArgumentSynthesizer]: A total of 0 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 08:49:56,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:56,870 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 08:49:56,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:56,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:56,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:56,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:56,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:56,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:56,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:56,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:56,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:56,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:56,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:56,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:56,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:56,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:56,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:56,943 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 08:49:56,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:56,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:56,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:56,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:56,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:56,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:56,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:56,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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) [2019-11-25 08:49:56,963 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 08:49:56,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:56,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:56,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:56,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:56,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:56,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:56,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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) [2019-11-25 08:49:56,994 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 08:49:56,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:56,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:56,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:56,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:56,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:56,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:56,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:56,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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) [2019-11-25 08:49:57,014 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 08:49:57,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:57,033 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 08:49:57,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,046 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 08:49:57,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,049 INFO L402 nArgumentSynthesizer]: A total of 0 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 08:49:57,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,057 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 08:49:57,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,063 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 08:49:57,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:57,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,086 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 08:49:57,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:57,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:57,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,114 INFO L402 nArgumentSynthesizer]: A total of 0 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 08:49:57,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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) [2019-11-25 08:49:57,123 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 08:49:57,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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) [2019-11-25 08:49:57,133 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 08:49:57,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,136 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-25 08:49:57,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,143 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:49:57,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,161 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 08:49:57,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,171 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 08:49:57,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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) [2019-11-25 08:49:57,181 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 08:49:57,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:57,194 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 08:49:57,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,207 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 08:49:57,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:57,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,224 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 08:49:57,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/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 08:49:57,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:57,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:57,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:57,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:57,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:57,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:57,279 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 08:49:57,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:57,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:57,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:57,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:57,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:57,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:57,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:57,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:57,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:57,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,312 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:57,363 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-25 08:49:57,363 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4252ecc6-e9bb-4ba0-9b72-0f6b1f8bd10c/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:57,379 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:57,382 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:49:57,383 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:57,383 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~j~0) = 1*ULTIMATE.start_entry_point_~len~0 + 2*ULTIMATE.start_entry_point_~j~0 Supporting invariants [1*ULTIMATE.start_entry_point_~len~0 - 10 >= 0] [2019-11-25 08:49:57,403 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-11-25 08:49:57,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:57,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:49:57,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:57,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:49:57,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:57,492 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 08:49:57,492 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-25 08:49:57,492 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-25 08:49:57,525 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 24 states and 29 transitions. Complement of second has 5 states. [2019-11-25 08:49:57,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:49:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-25 08:49:57,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-25 08:49:57,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:57,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-25 08:49:57,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:57,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2019-11-25 08:49:57,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:57,527 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-11-25 08:49:57,527 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:57,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-25 08:49:57,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:49:57,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:49:57,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:49:57,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:57,528 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:57,528 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:57,528 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:57,528 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-25 08:49:57,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:57,528 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:57,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:49:57,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:49:57 BoogieIcfgContainer [2019-11-25 08:49:57,539 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:49:57,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:57,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:57,541 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:57,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:49" (3/4) ... [2019-11-25 08:49:57,544 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:49:57,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:57,546 INFO L168 Benchmark]: Toolchain (without parser) took 8715.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.2 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:57,546 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:57,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -207.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:57,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.88 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 08:49:57,549 INFO L168 Benchmark]: Boogie Preprocessor took 28.52 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 08:49:57,549 INFO L168 Benchmark]: RCFGBuilder took 375.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:57,550 INFO L168 Benchmark]: BuchiAutomizer took 7565.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 43.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:57,550 INFO L168 Benchmark]: Witness Printer took 4.42 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:57,554 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 683.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -207.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.88 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. * Boogie Preprocessor took 28.52 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 375.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7565.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 43.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.42 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function len + -1 * i and consists of 4 locations. One deterministic module has affine ranking function len + 2 * j and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.5s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 6.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 141 SDslu, 120 SDs, 0 SdLazy, 100 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital255 mio100 ax111 hnf101 lsp83 ukn56 mio100 lsp58 div100 bol100 ite100 ukn100 eq191 hnf90 smp100 dnf109 smp92 tf100 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 120ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...