./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF --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 bb0a504b43b0de742fcc89ebbe9d313056bb1824edece6c56238a649b6f48626 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:30:22,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:30:22,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:30:22,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:30:22,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:30:22,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:30:22,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:30:22,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:30:22,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:30:22,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:30:22,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:30:22,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:30:22,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:30:22,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:30:22,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:30:22,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:30:22,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:30:22,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:30:22,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:30:22,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:30:22,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:30:22,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:30:22,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:30:22,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:30:22,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:30:22,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:30:22,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:30:22,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:30:22,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:30:22,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:30:22,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:30:22,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:30:22,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:30:22,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:30:22,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:30:22,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:30:22,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:30:22,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:30:22,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:30:22,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:30:22,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:30:22,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:30:22,832 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:30:22,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:30:22,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:30:22,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:30:22,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:30:22,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:30:22,835 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:30:22,835 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:30:22,835 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:30:22,836 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:30:22,836 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:30:22,836 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:30:22,836 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:30:22,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:30:22,837 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:30:22,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:30:22,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:30:22,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:30:22,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:30:22,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:30:22,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:30:22,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:30:22,842 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:30:22,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:30:22,842 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:30:22,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:30:22,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:30:22,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:30:22,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:30:22,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:30:22,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:30:22,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:30:22,848 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:30:22,848 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb0a504b43b0de742fcc89ebbe9d313056bb1824edece6c56238a649b6f48626 [2021-11-20 06:30:23,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:30:23,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:30:23,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:30:23,197 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:30:23,199 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:30:23,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2021-11-20 06:30:23,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/data/2f4516e38/c7315f483ba945668f7ab3d4b2d44ae8/FLAGf418030c5 [2021-11-20 06:30:23,898 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:30:23,904 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2021-11-20 06:30:23,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/data/2f4516e38/c7315f483ba945668f7ab3d4b2d44ae8/FLAGf418030c5 [2021-11-20 06:30:24,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/data/2f4516e38/c7315f483ba945668f7ab3d4b2d44ae8 [2021-11-20 06:30:24,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:30:24,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:30:24,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:30:24,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:30:24,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:30:24,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:30:24" (1/1) ... [2021-11-20 06:30:24,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a2cd07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:24, skipping insertion in model container [2021-11-20 06:30:24,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:30:24" (1/1) ... [2021-11-20 06:30:24,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:30:24,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:30:24,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:30:24,858 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:30:24,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:30:25,005 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:30:25,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25 WrapperNode [2021-11-20 06:30:25,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:30:25,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:30:25,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:30:25,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:30:25,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,069 INFO L137 Inliner]: procedures = 166, calls = 80, calls flagged for inlining = 31, calls inlined = 8, statements flattened = 109 [2021-11-20 06:30:25,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:30:25,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:30:25,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:30:25,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:30:25,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:30:25,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:30:25,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:30:25,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:30:25,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (1/1) ... [2021-11-20 06:30:25,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:25,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:25,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:25,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:30:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:30:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:30:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:30:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:30:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:30:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:30:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:30:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:30:25,304 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:30:25,306 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:30:25,559 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:30:25,566 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:30:25,566 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 06:30:25,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:30:25 BoogieIcfgContainer [2021-11-20 06:30:25,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:30:25,570 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:30:25,570 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:30:25,574 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:30:25,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:30:25,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:30:24" (1/3) ... [2021-11-20 06:30:25,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@766e0f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:30:25, skipping insertion in model container [2021-11-20 06:30:25,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:30:25,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:25" (2/3) ... [2021-11-20 06:30:25,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@766e0f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:30:25, skipping insertion in model container [2021-11-20 06:30:25,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:30:25,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:30:25" (3/3) ... [2021-11-20 06:30:25,579 INFO L388 chiAutomizerObserver]: Analyzing ICFG memleaks_test17_2-2.i [2021-11-20 06:30:25,640 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:30:25,640 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:30:25,640 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:30:25,641 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:30:25,641 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:30:25,641 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:30:25,641 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:30:25,641 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:30:25,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 29 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:25,701 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-11-20 06:30:25,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:25,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:25,718 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:25,718 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:25,718 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:30:25,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 29 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:25,731 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-11-20 06:30:25,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:25,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:25,733 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:25,733 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:25,742 INFO L791 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$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); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 9#L520true assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 26#L521true entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 21#L787true assume !!(entry_point_~len~0#1 < 16777216); 24#L787-2true assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 27#L526true assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 25#L529true entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 5#L789true assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 31#L790-3true [2021-11-20 06:30:25,742 INFO L793 eck$LassoCheckResult]: Loop: 31#L790-3true assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 22#L790-2true entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 31#L790-3true [2021-11-20 06:30:25,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:25,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787569, now seen corresponding path program 1 times [2021-11-20 06:30:25,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:25,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766271951] [2021-11-20 06:30:25,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:25,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:26,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:26,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766271951] [2021-11-20 06:30:26,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766271951] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:30:26,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:30:26,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:30:26,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887097172] [2021-11-20 06:30:26,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:30:26,094 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:30:26,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:26,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2021-11-20 06:30:26,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:26,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368135581] [2021-11-20 06:30:26,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:26,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:26,112 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:26,142 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:26,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:26,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:30:26,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:30:26,325 INFO L87 Difference]: Start difference. First operand has 30 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 29 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:26,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:26,424 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2021-11-20 06:30:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:30:26,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 66 transitions. [2021-11-20 06:30:26,449 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 19 [2021-11-20 06:30:26,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 37 states and 46 transitions. [2021-11-20 06:30:26,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-11-20 06:30:26,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2021-11-20 06:30:26,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2021-11-20 06:30:26,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:30:26,460 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-11-20 06:30:26,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2021-11-20 06:30:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 25. [2021-11-20 06:30:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-11-20 06:30:26,496 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-20 06:30:26,496 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-20 06:30:26,496 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:30:26,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2021-11-20 06:30:26,500 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-11-20 06:30:26,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:26,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:26,502 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:26,502 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:26,502 INFO L791 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);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); 109#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 110#L520 assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 111#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 119#L787 assume !!(entry_point_~len~0#1 < 16777216); 120#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 122#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 123#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 101#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 102#L790-3 [2021-11-20 06:30:26,502 INFO L793 eck$LassoCheckResult]: Loop: 102#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 121#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 102#L790-3 [2021-11-20 06:30:26,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:26,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1182785647, now seen corresponding path program 1 times [2021-11-20 06:30:26,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:26,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128062140] [2021-11-20 06:30:26,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:26,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:26,525 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:26,547 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:26,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:26,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 2 times [2021-11-20 06:30:26,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:26,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019287228] [2021-11-20 06:30:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:26,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:26,561 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:26,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:26,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:26,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1509325583, now seen corresponding path program 1 times [2021-11-20 06:30:26,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:26,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807194451] [2021-11-20 06:30:26,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:26,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:26,605 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:26,664 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:27,287 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:30:27,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:30:27,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:30:27,289 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:30:27,289 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:30:27,289 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:27,289 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:30:27,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:30:27,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration2_Lasso [2021-11-20 06:30:27,290 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:30:27,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:30:27,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:27,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:28,133 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:30:28,138 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:30:28,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:28,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:28,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:28,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:30:28,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:30:28,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:28,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:28,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:30:28,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:28,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:28,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:28,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:30:28,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:28,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:28,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,451 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:28,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:28,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:28,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:30:28,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:30:28,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:28,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:28,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:28,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:30:28,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:28,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:28,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,668 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:30:28,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:28,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:28,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,735 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:30:28,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:28,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:28,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:28,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,795 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:30:28,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:28,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:28,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,877 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:28,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:28,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:28,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:30:28,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,939 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:30:28,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:28,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:28,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:28,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:28,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:28,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:28,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:28,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:28,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:28,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:28,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:28,985 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:28,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:29,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:29,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:29,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:29,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:29,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:29,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:29,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:29,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:30:29,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:29,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:29,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:29,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:29,064 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:29,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:30:29,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:29,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:29,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:29,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:29,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:29,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:29,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:29,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:29,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:29,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:29,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:29,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:29,100 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:29,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:30:29,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:29,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:29,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:29,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:29,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:29,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:29,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:29,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:29,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-11-20 06:30:29,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:29,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:29,158 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:29,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:30:29,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:29,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:29,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:29,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:29,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:29,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:29,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:29,218 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:30:29,283 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-20 06:30:29,283 INFO L444 ModelExtractionUtils]: 21 out of 40 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-11-20 06:30:29,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:29,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:29,289 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:29,318 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:30:29,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:30:29,348 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:30:29,348 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:30:29,348 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0#1, ULTIMATE.start_entry_point_~i~2#1) = 1*ULTIMATE.start_entry_point_~len~0#1 - 1*ULTIMATE.start_entry_point_~i~2#1 Supporting invariants [] [2021-11-20 06:30:29,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:29,463 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2021-11-20 06:30:29,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:29,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:30:29,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:29,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:30:29,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:29,605 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 [2021-11-20 06:30:29,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:29,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 55 transitions. Complement of second has 6 states. [2021-11-20 06:30:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:30:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-11-20 06:30:29,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-20 06:30:29,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:29,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 11 letters. Loop has 2 letters. [2021-11-20 06:30:29,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:29,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-20 06:30:29,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:29,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 55 transitions. [2021-11-20 06:30:29,683 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-20 06:30:29,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 26 states and 33 transitions. [2021-11-20 06:30:29,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 06:30:29,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-11-20 06:30:29,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-11-20 06:30:29,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:30:29,686 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-11-20 06:30:29,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-11-20 06:30:29,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-20 06:30:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:29,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-11-20 06:30:29,692 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-11-20 06:30:29,692 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-11-20 06:30:29,692 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:30:29,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2021-11-20 06:30:29,694 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-20 06:30:29,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:29,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:29,696 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:29,696 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:30:29,697 INFO L791 eck$LassoCheckResult]: Stem: 272#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);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); 257#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 258#L520 assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 265#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 273#L787 assume !!(entry_point_~len~0#1 < 16777216); 274#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 277#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 278#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 255#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 256#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 268#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 269#L765-3 [2021-11-20 06:30:29,698 INFO L793 eck$LassoCheckResult]: Loop: 269#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 266#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 267#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 259#L767 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 261#L765-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 269#L765-3 [2021-11-20 06:30:29,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:29,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1509325641, now seen corresponding path program 1 times [2021-11-20 06:30:29,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:29,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499182446] [2021-11-20 06:30:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:29,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:29,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:29,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499182446] [2021-11-20 06:30:29,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499182446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:30:29,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:30:29,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:30:29,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269636200] [2021-11-20 06:30:29,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:30:29,773 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:30:29,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:29,774 INFO L85 PathProgramCache]: Analyzing trace with hash 74532277, now seen corresponding path program 1 times [2021-11-20 06:30:29,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:29,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442329079] [2021-11-20 06:30:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:29,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:29,802 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:29,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:30,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:30,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:30:30,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:30:30,123 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:30,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:30,198 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2021-11-20 06:30:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:30:30,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 62 transitions. [2021-11-20 06:30:30,201 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2021-11-20 06:30:30,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 62 transitions. [2021-11-20 06:30:30,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-11-20 06:30:30,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-11-20 06:30:30,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 62 transitions. [2021-11-20 06:30:30,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:30:30,204 INFO L681 BuchiCegarLoop]: Abstraction has 50 states and 62 transitions. [2021-11-20 06:30:30,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 62 transitions. [2021-11-20 06:30:30,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 33. [2021-11-20 06:30:30,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-11-20 06:30:30,208 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-20 06:30:30,209 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-20 06:30:30,209 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:30:30,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-11-20 06:30:30,210 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-20 06:30:30,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:30,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:30,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:30,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:30:30,211 INFO L791 eck$LassoCheckResult]: Stem: 361#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$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); 345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 346#L520 assume ldv_positive_~r~1#1 > 0;ldv_positive_#res#1 := ldv_positive_~r~1#1; 353#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 370#L787 assume !!(entry_point_~len~0#1 < 16777216); 366#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 367#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 368#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 369#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 373#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 357#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 358#L765-3 [2021-11-20 06:30:30,211 INFO L793 eck$LassoCheckResult]: Loop: 358#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 355#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 356#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 347#L767 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 349#L765-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 358#L765-3 [2021-11-20 06:30:30,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:30,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2105583285, now seen corresponding path program 1 times [2021-11-20 06:30:30,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:30,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022654432] [2021-11-20 06:30:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:30,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:30,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:30,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022654432] [2021-11-20 06:30:30,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022654432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:30:30,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:30:30,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:30:30,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837116785] [2021-11-20 06:30:30,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:30:30,299 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:30:30,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:30,300 INFO L85 PathProgramCache]: Analyzing trace with hash 74532277, now seen corresponding path program 2 times [2021-11-20 06:30:30,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:30,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327133593] [2021-11-20 06:30:30,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:30,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:30,317 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:30,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:30,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:30,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:30:30,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:30:30,676 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:30,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-20 06:30:30,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:30,735 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2021-11-20 06:30:30,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:30:30,737 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2021-11-20 06:30:30,737 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-20 06:30:30,738 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 40 transitions. [2021-11-20 06:30:30,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-11-20 06:30:30,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-11-20 06:30:30,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 40 transitions. [2021-11-20 06:30:30,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:30:30,739 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2021-11-20 06:30:30,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 40 transitions. [2021-11-20 06:30:30,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2021-11-20 06:30:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-11-20 06:30:30,742 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 06:30:30,742 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 06:30:30,742 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:30:30,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-11-20 06:30:30,745 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-20 06:30:30,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:30,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:30,748 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:30,748 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:30:30,748 INFO L791 eck$LassoCheckResult]: Stem: 441#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);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); 430#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 431#L520 assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 432#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 439#L787 assume !!(entry_point_~len~0#1 < 16777216); 440#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 444#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 445#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 422#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 423#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 442#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 443#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 435#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 436#L765-3 [2021-11-20 06:30:30,749 INFO L793 eck$LassoCheckResult]: Loop: 436#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 433#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 434#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 424#L767 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 426#L765-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 436#L765-3 [2021-11-20 06:30:30,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:30,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1237061817, now seen corresponding path program 1 times [2021-11-20 06:30:30,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:30,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363433520] [2021-11-20 06:30:30,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:30,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:30,768 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:30,799 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:30,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:30,805 INFO L85 PathProgramCache]: Analyzing trace with hash 74532277, now seen corresponding path program 3 times [2021-11-20 06:30:30,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:30,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213712109] [2021-11-20 06:30:30,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:30,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:30,827 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:30,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:30,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:30,850 INFO L85 PathProgramCache]: Analyzing trace with hash -138745859, now seen corresponding path program 1 times [2021-11-20 06:30:30,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:30,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744594916] [2021-11-20 06:30:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:30,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:30,896 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:30,938 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:32,020 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:30:32,020 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:30:32,020 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:30:32,020 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:30:32,020 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:30:32,020 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:32,021 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:30:32,021 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:30:32,021 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration5_Lasso [2021-11-20 06:30:32,021 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:30:32,021 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:30:32,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:32,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:33,265 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:30:33,266 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:30:33,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,268 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:33,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:33,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:33,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:30:33,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:33,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,322 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:30:33,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:33,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:33,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:33,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:33,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,364 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:30:33,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:33,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:33,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:33,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:33,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,401 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:30:33,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:33,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:33,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:33,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,464 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:30:33,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:33,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:33,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-20 06:30:33,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,543 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:30:33,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:33,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:33,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-20 06:30:33,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,625 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:33,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:33,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:33,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:30:33,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 06:30:33,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,676 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:30:33,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:33,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:33,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:33,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,743 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:33,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:33,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:33,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:30:33,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 06:30:33,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,806 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:30:33,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:33,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:33,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:33,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-20 06:30:33,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,873 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:33,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:30:33,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:33,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:33,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:33,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,933 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:30:33,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:33,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:33,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:33,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-20 06:30:33,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:33,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:33,982 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:33,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:30:33,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:33,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:33,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:33,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:33,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:33,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:33,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:33,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,017 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:30:34,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:34,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:34,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 06:30:34,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,074 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:30:34,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:34,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:34,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:34,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-20 06:30:34,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,113 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:30:34,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:34,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:34,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:34,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 06:30:34,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,181 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:30:34,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:34,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:34,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:34,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 06:30:34,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,214 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:30:34,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:34,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:34,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:34,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,287 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:34,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:34,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:34,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:30:34,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,359 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:34,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:34,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:30:34,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,402 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:30:34,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:34,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:34,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,490 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:34,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:34,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:34,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:30:34,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,567 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:34,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:34,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:30:34,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:34,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,639 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:34,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:34,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:34,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:34,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:34,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:34,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:34,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:30:34,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:30:34,767 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-20 06:30:34,767 INFO L444 ModelExtractionUtils]: 20 out of 52 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-11-20 06:30:34,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:34,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:34,771 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:34,773 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:30:34,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:30:34,805 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:30:34,805 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:30:34,805 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~i~0#1, ULTIMATE.start_alloc_17_~len#1) = -1*ULTIMATE.start_alloc_17_~i~0#1 + 1*ULTIMATE.start_alloc_17_~len#1 Supporting invariants [] [2021-11-20 06:30:34,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,936 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 06:30:34,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:34,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:34,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:30:34,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:35,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:30:35,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:35,062 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 [2021-11-20 06:30:35,062 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 32 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,093 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 32 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 58 transitions. Complement of second has 6 states. [2021-11-20 06:30:35,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:30:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2021-11-20 06:30:35,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 13 letters. Loop has 5 letters. [2021-11-20 06:30:35,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:35,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 18 letters. Loop has 5 letters. [2021-11-20 06:30:35,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:35,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 13 letters. Loop has 10 letters. [2021-11-20 06:30:35,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:35,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2021-11-20 06:30:35,099 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 06:30:35,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 33 states and 42 transitions. [2021-11-20 06:30:35,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-20 06:30:35,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-11-20 06:30:35,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2021-11-20 06:30:35,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:30:35,101 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-11-20 06:30:35,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2021-11-20 06:30:35,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2021-11-20 06:30:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2021-11-20 06:30:35,104 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-11-20 06:30:35,104 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-11-20 06:30:35,104 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 06:30:35,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2021-11-20 06:30:35,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:30:35,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:35,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:35,106 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:35,106 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:35,107 INFO L791 eck$LassoCheckResult]: Stem: 635#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);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); 623#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 624#L520 assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 625#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 636#L787 assume !!(entry_point_~len~0#1 < 16777216); 637#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 640#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 641#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 614#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 615#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 638#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 639#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 630#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 631#L765-3 assume !(alloc_17_~i~0#1 < alloc_17_~len#1); 612#L765-4 alloc_17_#res#1 := 0; 613#L776 entry_point_#t~ret47#1 := alloc_17_#res#1;assume { :end_inline_alloc_17 } true;havoc entry_point_#t~ret47#1;assume { :begin_inline_free_17 } true;free_17_#in~array#1.base, free_17_#in~array#1.offset, free_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset, free_17_#t~post42#1, free_17_~array#1.base, free_17_~array#1.offset, free_17_~len#1, free_17_~i~1#1;free_17_~array#1.base, free_17_~array#1.offset := free_17_#in~array#1.base, free_17_#in~array#1.offset;free_17_~len#1 := free_17_#in~len#1;havoc free_17_~i~1#1;free_17_~i~1#1 := 0; 633#L780-3 [2021-11-20 06:30:35,107 INFO L793 eck$LassoCheckResult]: Loop: 633#L780-3 assume !!(free_17_~i~1#1 < free_17_~len#1);call free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset := read~$Pointer$(free_17_~array#1.base, free_17_~array#1.offset + 4 * free_17_~i~1#1, 4);call ULTIMATE.dealloc(free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset);havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset; 632#L780-2 free_17_#t~post42#1 := free_17_~i~1#1;free_17_~i~1#1 := 1 + free_17_#t~post42#1;havoc free_17_#t~post42#1; 633#L780-3 [2021-11-20 06:30:35,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1805730393, now seen corresponding path program 1 times [2021-11-20 06:30:35,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842214982] [2021-11-20 06:30:35,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:30:35,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:35,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842214982] [2021-11-20 06:30:35,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842214982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:30:35,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:30:35,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:30:35,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493208543] [2021-11-20 06:30:35,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:30:35,154 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:30:35,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,154 INFO L85 PathProgramCache]: Analyzing trace with hash 3907, now seen corresponding path program 1 times [2021-11-20 06:30:35,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185184407] [2021-11-20 06:30:35,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,160 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:35,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:35,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:30:35,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:30:35,208 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:35,284 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2021-11-20 06:30:35,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:30:35,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 90 transitions. [2021-11-20 06:30:35,288 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2021-11-20 06:30:35,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 90 transitions. [2021-11-20 06:30:35,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-11-20 06:30:35,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2021-11-20 06:30:35,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 90 transitions. [2021-11-20 06:30:35,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:30:35,292 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 90 transitions. [2021-11-20 06:30:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 90 transitions. [2021-11-20 06:30:35,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 41. [2021-11-20 06:30:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2021-11-20 06:30:35,309 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 52 transitions. [2021-11-20 06:30:35,309 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 52 transitions. [2021-11-20 06:30:35,309 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 06:30:35,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 52 transitions. [2021-11-20 06:30:35,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:30:35,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:35,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:35,312 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:35,313 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:35,313 INFO L791 eck$LassoCheckResult]: Stem: 749#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$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); 729#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 730#L520 assume ldv_positive_~r~1#1 > 0;ldv_positive_#res#1 := ldv_positive_~r~1#1; 738#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 758#L787 assume !!(entry_point_~len~0#1 < 16777216); 754#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 755#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 756#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 757#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 761#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 762#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 763#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 764#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 765#L765-3 assume !(alloc_17_~i~0#1 < alloc_17_~len#1); 725#L765-4 alloc_17_#res#1 := 0; 726#L776 entry_point_#t~ret47#1 := alloc_17_#res#1;assume { :end_inline_alloc_17 } true;havoc entry_point_#t~ret47#1;assume { :begin_inline_free_17 } true;free_17_#in~array#1.base, free_17_#in~array#1.offset, free_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset, free_17_#t~post42#1, free_17_~array#1.base, free_17_~array#1.offset, free_17_~len#1, free_17_~i~1#1;free_17_~array#1.base, free_17_~array#1.offset := free_17_#in~array#1.base, free_17_#in~array#1.offset;free_17_~len#1 := free_17_#in~len#1;havoc free_17_~i~1#1;free_17_~i~1#1 := 0; 747#L780-3 [2021-11-20 06:30:35,313 INFO L793 eck$LassoCheckResult]: Loop: 747#L780-3 assume !!(free_17_~i~1#1 < free_17_~len#1);call free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset := read~$Pointer$(free_17_~array#1.base, free_17_~array#1.offset + 4 * free_17_~i~1#1, 4);call ULTIMATE.dealloc(free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset);havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset; 746#L780-2 free_17_#t~post42#1 := free_17_~i~1#1;free_17_~i~1#1 := 1 + free_17_#t~post42#1;havoc free_17_#t~post42#1; 747#L780-3 [2021-11-20 06:30:35,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,314 INFO L85 PathProgramCache]: Analyzing trace with hash -794613143, now seen corresponding path program 1 times [2021-11-20 06:30:35,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42811633] [2021-11-20 06:30:35,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:30:35,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:35,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42811633] [2021-11-20 06:30:35,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42811633] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:30:35,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:30:35,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:30:35,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535985687] [2021-11-20 06:30:35,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:30:35,393 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:30:35,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,394 INFO L85 PathProgramCache]: Analyzing trace with hash 3907, now seen corresponding path program 2 times [2021-11-20 06:30:35,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393794681] [2021-11-20 06:30:35,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,399 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:35,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:35,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:30:35,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:30:35,445 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:35,511 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2021-11-20 06:30:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:30:35,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 68 transitions. [2021-11-20 06:30:35,513 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 06:30:35,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 68 transitions. [2021-11-20 06:30:35,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-11-20 06:30:35,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-11-20 06:30:35,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 68 transitions. [2021-11-20 06:30:35,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:30:35,516 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 68 transitions. [2021-11-20 06:30:35,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 68 transitions. [2021-11-20 06:30:35,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 30. [2021-11-20 06:30:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2021-11-20 06:30:35,519 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-11-20 06:30:35,519 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-11-20 06:30:35,519 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-20 06:30:35,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2021-11-20 06:30:35,520 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:30:35,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:35,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:35,521 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:35,521 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:35,521 INFO L791 eck$LassoCheckResult]: Stem: 856#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);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); 837#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 838#L520 assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 846#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 857#L787 assume !!(entry_point_~len~0#1 < 16777216); 858#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 861#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 862#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 835#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 836#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 859#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 860#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 851#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 852#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 847#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 848#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 839#L767 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 840#L767-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 843#L772-3 [2021-11-20 06:30:35,521 INFO L793 eck$LassoCheckResult]: Loop: 843#L772-3 assume !!(alloc_17_~j~0#1 >= 0);call alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset := read~$Pointer$(alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset);havoc alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset;call write~$Pointer$(0, 0, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4); 845#L772-2 alloc_17_#t~post40#1 := alloc_17_~j~0#1;alloc_17_~j~0#1 := alloc_17_#t~post40#1 - 1;havoc alloc_17_#t~post40#1; 843#L772-3 [2021-11-20 06:30:35,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,522 INFO L85 PathProgramCache]: Analyzing trace with hash -138686333, now seen corresponding path program 1 times [2021-11-20 06:30:35,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277137653] [2021-11-20 06:30:35,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,534 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,548 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:35,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,549 INFO L85 PathProgramCache]: Analyzing trace with hash 3395, now seen corresponding path program 1 times [2021-11-20 06:30:35,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037133855] [2021-11-20 06:30:35,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,554 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,558 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:35,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,559 INFO L85 PathProgramCache]: Analyzing trace with hash -133577403, now seen corresponding path program 1 times [2021-11-20 06:30:35,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391030299] [2021-11-20 06:30:35,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:30:35,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:35,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391030299] [2021-11-20 06:30:35,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391030299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:30:35,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:30:35,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:30:35,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228687321] [2021-11-20 06:30:35,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:30:35,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:35,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:30:35,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:30:35,695 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:35,720 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-11-20 06:30:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:30:35,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-11-20 06:30:35,721 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 06:30:35,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-11-20 06:30:35,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-11-20 06:30:35,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-11-20 06:30:35,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-11-20 06:30:35,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:30:35,723 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-11-20 06:30:35,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-11-20 06:30:35,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 35. [2021-11-20 06:30:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:35,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2021-11-20 06:30:35,725 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-11-20 06:30:35,725 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-11-20 06:30:35,725 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-20 06:30:35,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 44 transitions. [2021-11-20 06:30:35,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:30:35,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:35,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:35,727 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:35,727 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:35,727 INFO L791 eck$LassoCheckResult]: Stem: 945#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);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); 930#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 931#L520 assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 932#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 946#L787 assume !!(entry_point_~len~0#1 < 16777216); 947#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 950#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 951#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 922#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 923#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 948#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 949#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 937#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 938#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 933#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 934#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 926#L767 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 927#L767-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 924#L772-3 assume !(alloc_17_~j~0#1 >= 0); 925#L772-4 alloc_17_#res#1 := 3; 921#L776 entry_point_#t~ret47#1 := alloc_17_#res#1;assume { :end_inline_alloc_17 } true;havoc entry_point_#t~ret47#1;assume { :begin_inline_free_17 } true;free_17_#in~array#1.base, free_17_#in~array#1.offset, free_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset, free_17_#t~post42#1, free_17_~array#1.base, free_17_~array#1.offset, free_17_~len#1, free_17_~i~1#1;free_17_~array#1.base, free_17_~array#1.offset := free_17_#in~array#1.base, free_17_#in~array#1.offset;free_17_~len#1 := free_17_#in~len#1;havoc free_17_~i~1#1;free_17_~i~1#1 := 0; 940#L780-3 [2021-11-20 06:30:35,727 INFO L793 eck$LassoCheckResult]: Loop: 940#L780-3 assume !!(free_17_~i~1#1 < free_17_~len#1);call free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset := read~$Pointer$(free_17_~array#1.base, free_17_~array#1.offset + 4 * free_17_~i~1#1, 4);call ULTIMATE.dealloc(free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset);havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset; 939#L780-2 free_17_#t~post42#1 := free_17_~i~1#1;free_17_~i~1#1 := 1 + free_17_#t~post42#1;havoc free_17_#t~post42#1; 940#L780-3 [2021-11-20 06:30:35,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,728 INFO L85 PathProgramCache]: Analyzing trace with hash 154066089, now seen corresponding path program 1 times [2021-11-20 06:30:35,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546354192] [2021-11-20 06:30:35,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,744 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,770 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:35,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,771 INFO L85 PathProgramCache]: Analyzing trace with hash 3907, now seen corresponding path program 3 times [2021-11-20 06:30:35,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922197752] [2021-11-20 06:30:35,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,777 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,784 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:35,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:35,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2028626411, now seen corresponding path program 1 times [2021-11-20 06:30:35,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:35,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534796985] [2021-11-20 06:30:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:35,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,817 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:35,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:36,964 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:30:36,965 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:30:36,965 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:30:36,965 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:30:36,965 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:30:36,965 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:36,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:30:36,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:30:36,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration9_Lasso [2021-11-20 06:30:36,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:30:36,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:30:36,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:36,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:37,915 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:30:37,915 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:30:37,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:37,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:37,918 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:37,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:30:37,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:37,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:37,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:37,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:37,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:37,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:37,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:37,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:37,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:37,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:37,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:37,986 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:37,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:30:37,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:37,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:37,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:37,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:37,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:37,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:37,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:37,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:37,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,019 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:30:38,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-20 06:30:38,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,050 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:30:38,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,082 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:30:38,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-20 06:30:38,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,143 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:30:38,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 06:30:38,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,216 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:30:38,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,268 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:30:38,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 06:30:38,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,299 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:30:38,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-20 06:30:38,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,334 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:30:38,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-20 06:30:38,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,367 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:30:38,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-20 06:30:38,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,399 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:30:38,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-20 06:30:38,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,428 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:30:38,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,475 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:30:38,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-20 06:30:38,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,504 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:30:38,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 06:30:38,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,534 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 06:30:38,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-20 06:30:38,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,564 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 06:30:38,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,593 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 06:30:38,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,628 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 06:30:38,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,659 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 06:30:38,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,694 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 06:30:38,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,748 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 06:30:38,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-20 06:30:38,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,790 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 06:30:38,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:38,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,843 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 06:30:38,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:38,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:38,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:38,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-20 06:30:38,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,879 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 06:30:38,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:38,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-20 06:30:38,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,910 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 06:30:38,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:38,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:38,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:38,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:38,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:38,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:38,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:38,944 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:30:38,986 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2021-11-20 06:30:38,986 INFO L444 ModelExtractionUtils]: 11 out of 52 variables were initially zero. Simplification set additionally 38 variables to zero. [2021-11-20 06:30:38,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:38,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:38,992 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:38,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 06:30:38,993 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:30:39,018 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:30:39,019 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:30:39,019 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_free_17_~i~1#1, ULTIMATE.start_free_17_~len#1) = -1*ULTIMATE.start_free_17_~i~1#1 + 1*ULTIMATE.start_free_17_~len#1 Supporting invariants [] [2021-11-20 06:30:39,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-20 06:30:39,070 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 06:30:39,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:39,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:30:39,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:39,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:30:39,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:39,172 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 [2021-11-20 06:30:39,172 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 44 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:39,181 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 44 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 47 transitions. Complement of second has 4 states. [2021-11-20 06:30:39,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:30:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2021-11-20 06:30:39,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 21 letters. Loop has 2 letters. [2021-11-20 06:30:39,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:39,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 23 letters. Loop has 2 letters. [2021-11-20 06:30:39,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:39,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 21 letters. Loop has 4 letters. [2021-11-20 06:30:39,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:39,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-11-20 06:30:39,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:30:39,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 25 states and 30 transitions. [2021-11-20 06:30:39,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-20 06:30:39,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-20 06:30:39,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2021-11-20 06:30:39,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:30:39,188 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-11-20 06:30:39,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2021-11-20 06:30:39,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-20 06:30:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2021-11-20 06:30:39,190 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-11-20 06:30:39,190 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-11-20 06:30:39,190 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-20 06:30:39,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2021-11-20 06:30:39,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:30:39,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:39,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:39,191 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:39,191 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:39,191 INFO L791 eck$LassoCheckResult]: Stem: 1131#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);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); 1132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 1145#L520 assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 1146#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 1133#L787 assume !!(entry_point_~len~0#1 < 16777216); 1134#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1139#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1140#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 1129#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 1130#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1135#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 1136#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 1149#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 1125#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1126#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1148#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1142#L767 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 1143#L765-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 1127#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1128#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1147#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1141#L767 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 1137#L767-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 1138#L772-3 [2021-11-20 06:30:39,192 INFO L793 eck$LassoCheckResult]: Loop: 1138#L772-3 assume !!(alloc_17_~j~0#1 >= 0);call alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset := read~$Pointer$(alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset);havoc alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset;call write~$Pointer$(0, 0, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4); 1144#L772-2 alloc_17_#t~post40#1 := alloc_17_~j~0#1;alloc_17_~j~0#1 := alloc_17_#t~post40#1 - 1;havoc alloc_17_#t~post40#1; 1138#L772-3 [2021-11-20 06:30:39,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:39,192 INFO L85 PathProgramCache]: Analyzing trace with hash -688012863, now seen corresponding path program 1 times [2021-11-20 06:30:39,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:39,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900422742] [2021-11-20 06:30:39,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:39,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:30:39,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:39,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900422742] [2021-11-20 06:30:39,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900422742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:30:39,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:30:39,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:30:39,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423102138] [2021-11-20 06:30:39,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:30:39,226 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:30:39,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:39,226 INFO L85 PathProgramCache]: Analyzing trace with hash 3395, now seen corresponding path program 2 times [2021-11-20 06:30:39,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:39,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833220998] [2021-11-20 06:30:39,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:39,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:39,230 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:39,234 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:39,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:39,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:30:39,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:30:39,314 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:39,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:39,330 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2021-11-20 06:30:39,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:30:39,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2021-11-20 06:30:39,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:30:39,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 30 states and 34 transitions. [2021-11-20 06:30:39,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 06:30:39,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-20 06:30:39,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 34 transitions. [2021-11-20 06:30:39,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:30:39,332 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 34 transitions. [2021-11-20 06:30:39,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 34 transitions. [2021-11-20 06:30:39,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2021-11-20 06:30:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-11-20 06:30:39,334 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-20 06:30:39,334 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-20 06:30:39,334 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-20 06:30:39,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2021-11-20 06:30:39,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:30:39,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:39,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:39,336 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:39,336 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:39,336 INFO L791 eck$LassoCheckResult]: Stem: 1195#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$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); 1196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 1207#L520 assume !(ldv_positive_~r~1#1 > 0);ldv_positive_#res#1 := 1; 1212#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 1197#L787 assume !!(entry_point_~len~0#1 < 16777216); 1198#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1205#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1206#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 1199#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 1200#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1201#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 1202#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 1215#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 1191#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1192#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1214#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1209#L767 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 1210#L765-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 1193#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1194#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1213#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1208#L767 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 1203#L767-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 1204#L772-3 [2021-11-20 06:30:39,336 INFO L793 eck$LassoCheckResult]: Loop: 1204#L772-3 assume !!(alloc_17_~j~0#1 >= 0);call alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset := read~$Pointer$(alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset);havoc alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset;call write~$Pointer$(0, 0, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4); 1211#L772-2 alloc_17_#t~post40#1 := alloc_17_~j~0#1;alloc_17_~j~0#1 := alloc_17_#t~post40#1 - 1;havoc alloc_17_#t~post40#1; 1204#L772-3 [2021-11-20 06:30:39,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:39,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1368071233, now seen corresponding path program 1 times [2021-11-20 06:30:39,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:39,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239562341] [2021-11-20 06:30:39,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:39,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:30:39,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:39,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239562341] [2021-11-20 06:30:39,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239562341] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:30:39,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229393346] [2021-11-20 06:30:39,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:39,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:30:39,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:39,390 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:30:39,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-11-20 06:30:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:39,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:30:39,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:30:39,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:30:39,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229393346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:30:39,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:30:39,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-11-20 06:30:39,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464164053] [2021-11-20 06:30:39,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:30:39,553 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:30:39,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:39,553 INFO L85 PathProgramCache]: Analyzing trace with hash 3395, now seen corresponding path program 3 times [2021-11-20 06:30:39,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:39,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101334714] [2021-11-20 06:30:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:39,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:39,557 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:39,560 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:39,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:39,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:30:39,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:30:39,662 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:39,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:39,725 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2021-11-20 06:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:30:39,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 45 transitions. [2021-11-20 06:30:39,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:30:39,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 25 states and 28 transitions. [2021-11-20 06:30:39,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-20 06:30:39,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-20 06:30:39,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2021-11-20 06:30:39,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:30:39,727 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-11-20 06:30:39,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2021-11-20 06:30:39,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-20 06:30:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-11-20 06:30:39,728 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-11-20 06:30:39,728 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-11-20 06:30:39,729 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-20 06:30:39,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. [2021-11-20 06:30:39,729 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:30:39,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:39,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:39,730 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:39,730 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:39,730 INFO L791 eck$LassoCheckResult]: Stem: 1346#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);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); 1347#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 1358#L520 assume ldv_positive_~r~1#1 > 0;ldv_positive_#res#1 := ldv_positive_~r~1#1; 1363#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 1348#L787 assume !!(entry_point_~len~0#1 < 16777216); 1349#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1356#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1357#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 1350#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 1351#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1352#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 1353#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 1366#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 1342#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1343#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1365#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1360#L767 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 1361#L765-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 1344#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1345#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1364#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1359#L767 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 1354#L767-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 1355#L772-3 [2021-11-20 06:30:39,731 INFO L793 eck$LassoCheckResult]: Loop: 1355#L772-3 assume !!(alloc_17_~j~0#1 >= 0);call alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset := read~$Pointer$(alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset);havoc alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset;call write~$Pointer$(0, 0, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4); 1362#L772-2 alloc_17_#t~post40#1 := alloc_17_~j~0#1;alloc_17_~j~0#1 := alloc_17_#t~post40#1 - 1;havoc alloc_17_#t~post40#1; 1355#L772-3 [2021-11-20 06:30:39,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:39,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1790773059, now seen corresponding path program 1 times [2021-11-20 06:30:39,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:39,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367810318] [2021-11-20 06:30:39,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:39,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:39,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:30:39,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367810318] [2021-11-20 06:30:39,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367810318] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:30:39,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104122345] [2021-11-20 06:30:39,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:39,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:30:39,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:39,795 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:30:39,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2021-11-20 06:30:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:39,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:30:39,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:39,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:30:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:40,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104122345] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:30:40,066 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:30:40,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-20 06:30:40,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:40,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696723098] [2021-11-20 06:30:40,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:30:40,069 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:30:40,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:40,070 INFO L85 PathProgramCache]: Analyzing trace with hash 3395, now seen corresponding path program 4 times [2021-11-20 06:30:40,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:40,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124261133] [2021-11-20 06:30:40,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:40,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:40,080 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:40,085 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:40,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:30:40,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:30:40,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:30:40,191 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:30:40,266 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2021-11-20 06:30:40,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:30:40,271 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2021-11-20 06:30:40,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:30:40,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 31 transitions. [2021-11-20 06:30:40,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-20 06:30:40,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-20 06:30:40,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 31 transitions. [2021-11-20 06:30:40,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:30:40,273 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2021-11-20 06:30:40,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 31 transitions. [2021-11-20 06:30:40,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-11-20 06:30:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-20 06:30:40,274 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-20 06:30:40,274 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-20 06:30:40,274 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-20 06:30:40,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 30 transitions. [2021-11-20 06:30:40,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:30:40,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:30:40,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:30:40,276 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:30:40,276 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:30:40,276 INFO L791 eck$LassoCheckResult]: Stem: 1558#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$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); 1559#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1, entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset, entry_point_#t~post46#1, entry_point_#t~ret47#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;assume { :begin_inline_ldv_positive } true;havoc ldv_positive_#res#1;havoc ldv_positive_#t~nondet4#1, ldv_positive_~r~1#1;ldv_positive_~r~1#1 := ldv_positive_#t~nondet4#1;havoc ldv_positive_#t~nondet4#1; 1574#L520 assume ldv_positive_~r~1#1 > 0;ldv_positive_#res#1 := ldv_positive_~r~1#1; 1575#L521 entry_point_#t~ret44#1 := ldv_positive_#res#1;assume { :end_inline_ldv_positive } true;entry_point_~len~0#1 := entry_point_#t~ret44#1;havoc entry_point_#t~ret44#1; 1560#L787 assume !!(entry_point_~len~0#1 < 16777216); 1561#L787-2 assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1568#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1569#L529 entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset;havoc entry_point_#t~ret45#1.base, entry_point_#t~ret45#1.offset; 1562#L789 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 1563#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1564#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 1565#L790-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1579#L790-2 entry_point_#t~post46#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post46#1;havoc entry_point_#t~post46#1; 1580#L790-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 1578#L790-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 1554#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1555#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1577#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1571#L767 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 1572#L765-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 1556#L765-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1557#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1576#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1570#L767 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 1566#L767-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 1567#L772-3 [2021-11-20 06:30:40,276 INFO L793 eck$LassoCheckResult]: Loop: 1567#L772-3 assume !!(alloc_17_~j~0#1 >= 0);call alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset := read~$Pointer$(alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset);havoc alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset;call write~$Pointer$(0, 0, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4); 1573#L772-2 alloc_17_#t~post40#1 := alloc_17_~j~0#1;alloc_17_~j~0#1 := alloc_17_#t~post40#1 - 1;havoc alloc_17_#t~post40#1; 1567#L772-3 [2021-11-20 06:30:40,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:40,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1196968511, now seen corresponding path program 2 times [2021-11-20 06:30:40,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:40,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96655093] [2021-11-20 06:30:40,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:40,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:40,293 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:40,314 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:40,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:40,315 INFO L85 PathProgramCache]: Analyzing trace with hash 3395, now seen corresponding path program 5 times [2021-11-20 06:30:40,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:40,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685465328] [2021-11-20 06:30:40,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:40,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:40,319 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:40,323 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:40,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:40,324 INFO L85 PathProgramCache]: Analyzing trace with hash -764493823, now seen corresponding path program 1 times [2021-11-20 06:30:40,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:30:40,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735668644] [2021-11-20 06:30:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:30:40,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:30:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:40,340 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:30:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:30:40,361 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:30:42,584 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:30:42,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:30:42,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:30:42,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:30:42,585 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:30:42,585 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:42,585 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:30:42,585 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:30:42,585 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration13_Lasso [2021-11-20 06:30:42,585 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:30:42,585 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:30:42,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:42,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:43,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:43,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:43,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:43,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:30:43,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:30:43,596 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:30:43,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,601 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 06:30:43,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:43,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:43,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:43,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,635 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 06:30:43,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:43,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:43,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:43,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-20 06:30:43,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,675 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 06:30:43,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:43,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:43,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:43,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:43,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,708 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 06:30:43,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:43,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:43,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-20 06:30:43,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,752 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 06:30:43,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:43,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:43,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:43,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:43,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,812 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 06:30:43,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:43,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:43,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:43,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,848 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 06:30:43,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:43,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:43,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:43,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,884 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 06:30:43,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:43,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:43,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:43,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:43,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,917 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 06:30:43,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:43,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:43,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-20 06:30:43,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,956 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:43,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 06:30:43,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:43,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:43,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:43,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:43,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:43,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:43,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:43,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:43,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:43,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:43,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:43,995 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 06:30:44,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-20 06:30:44,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,053 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 06:30:44,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,086 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 06:30:44,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-20 06:30:44,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,120 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 06:30:44,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:44,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-20 06:30:44,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,156 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 06:30:44,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-20 06:30:44,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,190 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 06:30:44,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:44,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-20 06:30:44,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,226 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-20 06:30:44,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-20 06:30:44,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,261 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-20 06:30:44,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,296 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-20 06:30:44,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,329 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-20 06:30:44,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:44,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,362 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-20 06:30:44,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:44,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,395 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-20 06:30:44,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,426 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-20 06:30:44,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-20 06:30:44,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,458 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-20 06:30:44,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,490 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-20 06:30:44,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,522 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-20 06:30:44,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:30:44,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:30:44,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:30:44,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,553 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-20 06:30:44,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:44,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-20 06:30:44,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,587 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-20 06:30:44,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:44,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,620 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-20 06:30:44,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,630 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-20 06:30:44,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,635 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:30:44,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-20 06:30:44,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,666 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-20 06:30:44,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:44,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:30:44,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-20 06:30:44,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,700 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-20 06:30:44,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:30:44,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:30:44,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:30:44,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:30:44,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:30:44,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:30:44,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:30:44,729 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:30:44,758 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-11-20 06:30:44,758 INFO L444 ModelExtractionUtils]: 19 out of 37 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-11-20 06:30:44,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:30:44,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:30:44,760 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:30:44,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-20 06:30:44,760 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:30:44,769 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:30:44,769 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:30:44,769 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~j~0#1, v_rep(select #length ULTIMATE.start_entry_point_~array~0#1.base)_4) = 8*ULTIMATE.start_alloc_17_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_entry_point_~array~0#1.base)_4 Supporting invariants [] [2021-11-20 06:30:44,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:44,814 INFO L297 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2021-11-20 06:30:44,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:30:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:44,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:30:44,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:30:44,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:30:44,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:30:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:30:45,004 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 [2021-11-20 06:30:45,004 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:45,033 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 33 transitions. Complement of second has 5 states. [2021-11-20 06:30:45,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:30:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:30:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-11-20 06:30:45,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 25 letters. Loop has 2 letters. [2021-11-20 06:30:45,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:45,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 27 letters. Loop has 2 letters. [2021-11-20 06:30:45,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:45,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 25 letters. Loop has 4 letters. [2021-11-20 06:30:45,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:30:45,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 33 transitions. [2021-11-20 06:30:45,036 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:30:45,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2021-11-20 06:30:45,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:30:45,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:30:45,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:30:45,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:30:45,037 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:30:45,037 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:30:45,037 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:30:45,037 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-20 06:30:45,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:30:45,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:30:45,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:30:45,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:30:45 BoogieIcfgContainer [2021-11-20 06:30:45,043 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:30:45,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:30:45,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:30:45,044 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:30:45,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:30:25" (3/4) ... [2021-11-20 06:30:45,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:30:45,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:30:45,048 INFO L158 Benchmark]: Toolchain (without parser) took 20900.73ms. Allocated memory was 102.8MB in the beginning and 201.3MB in the end (delta: 98.6MB). Free memory was 61.1MB in the beginning and 98.6MB in the end (delta: -37.4MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2021-11-20 06:30:45,049 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:30:45,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.31ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 65.5MB in the end (delta: -4.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-20 06:30:45,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.54ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 63.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:30:45,049 INFO L158 Benchmark]: Boogie Preprocessor took 32.05ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:30:45,050 INFO L158 Benchmark]: RCFGBuilder took 465.11ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 48.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 06:30:45,050 INFO L158 Benchmark]: BuchiAutomizer took 19473.89ms. Allocated memory was 102.8MB in the beginning and 201.3MB in the end (delta: 98.6MB). Free memory was 48.7MB in the beginning and 98.6MB in the end (delta: -49.8MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2021-11-20 06:30:45,050 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 201.3MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:30:45,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.31ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 65.5MB in the end (delta: -4.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.54ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 63.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.05ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.11ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 48.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19473.89ms. Allocated memory was 102.8MB in the beginning and 201.3MB in the end (delta: 98.6MB). Free memory was 48.7MB in the beginning and 98.6MB in the end (delta: -49.8MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 201.3MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (9 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + len and consists of 4 locations. One deterministic module has affine ranking function len + -1 * i and consists of 4 locations. One deterministic module has affine ranking function len + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[array] + 8 * j and consists of 4 locations. 9 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.4s and 14 iterations. TraceHistogramMax:2. Analysis of lassos took 17.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 8. Automata minimization 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 112 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 41 states and ocurred in iteration 6. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 484 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 481 mSDsluCounter, 995 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 592 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 403 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU8 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital307 mio100 ax110 hnf100 lsp83 ukn64 mio100 lsp53 div100 bol100 ite100 ukn100 eq186 hnf90 smp96 dnf108 smp97 tf100 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 7 VariablesLoop: 2 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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! [2021-11-20 06:30:45,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:45,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2021-11-20 06:30:45,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Forceful destruction successful, exit code 0 [2021-11-20 06:30:45,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1441f65-fad4-4bce-993e-3ec402da73d6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE