./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg --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 fcd99b2df0924887988cb47edc94be4a868bdcbcd74e734872c50b1f1ade5738 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:47:00,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:47:00,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:47:00,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:47:00,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:47:00,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:47:00,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:47:00,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:47:00,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:47:00,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:47:00,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:47:00,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:47:00,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:47:00,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:47:00,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:47:00,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:47:00,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:47:00,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:47:00,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:47:00,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:47:00,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:47:00,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:47:00,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:47:00,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:47:00,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:47:00,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:47:00,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:47:00,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:47:00,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:47:00,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:47:00,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:47:00,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:47:00,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:47:00,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:47:00,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:47:00,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:47:00,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:47:00,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:47:00,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:47:00,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:47:00,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:47:00,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:47:00,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:47:00,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:47:00,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:47:00,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:47:00,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:47:00,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:47:00,892 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:47:00,892 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:47:00,893 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:47:00,893 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:47:00,894 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:47:00,895 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:47:00,895 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:47:00,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:47:00,896 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:47:00,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:47:00,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:47:00,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:47:00,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:47:00,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:47:00,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:47:00,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:47:00,898 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:47:00,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:47:00,898 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:47:00,898 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:47:00,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:47:00,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:47:00,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:47:00,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:47:00,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:47:00,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:47:00,904 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:47:00,904 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_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd99b2df0924887988cb47edc94be4a868bdcbcd74e734872c50b1f1ade5738 [2021-10-28 09:47:01,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:47:01,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:47:01,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:47:01,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:47:01,276 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:47:01,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loops/trex01-2.i [2021-10-28 09:47:01,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/data/822706e86/f457955b4c8b4264bc6fa6889a0b51b0/FLAGb2c74ee83 [2021-10-28 09:47:01,923 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:47:01,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/sv-benchmarks/c/loops/trex01-2.i [2021-10-28 09:47:01,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/data/822706e86/f457955b4c8b4264bc6fa6889a0b51b0/FLAGb2c74ee83 [2021-10-28 09:47:02,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/data/822706e86/f457955b4c8b4264bc6fa6889a0b51b0 [2021-10-28 09:47:02,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:47:02,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:47:02,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:47:02,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:47:02,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:47:02,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e6618d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02, skipping insertion in model container [2021-10-28 09:47:02,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:47:02,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:47:02,539 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/sv-benchmarks/c/loops/trex01-2.i[895,908] [2021-10-28 09:47:02,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:47:02,564 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:47:02,580 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/sv-benchmarks/c/loops/trex01-2.i[895,908] [2021-10-28 09:47:02,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:47:02,602 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:47:02,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02 WrapperNode [2021-10-28 09:47:02,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:47:02,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:47:02,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:47:02,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:47:02,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:47:02,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:47:02,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:47:02,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:47:02,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:47:02,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:47:02,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:47:02,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:47:02,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (1/1) ... [2021-10-28 09:47:02,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:02,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:02,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:02,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:47:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:47:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:47:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:47:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:47:03,146 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:47:03,147 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-28 09:47:03,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:47:03 BoogieIcfgContainer [2021-10-28 09:47:03,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:47:03,150 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:47:03,150 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:47:03,154 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:47:03,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:47:03,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:47:02" (1/3) ... [2021-10-28 09:47:03,157 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cdf128e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:47:03, skipping insertion in model container [2021-10-28 09:47:03,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:47:03,157 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:47:02" (2/3) ... [2021-10-28 09:47:03,157 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cdf128e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:47:03, skipping insertion in model container [2021-10-28 09:47:03,158 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:47:03,158 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:47:03" (3/3) ... [2021-10-28 09:47:03,159 INFO L389 chiAutomizerObserver]: Analyzing ICFG trex01-2.i [2021-10-28 09:47:03,207 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:47:03,207 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:47:03,208 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:47:03,208 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:47:03,208 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:47:03,208 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:47:03,208 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:47:03,208 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:47:03,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 29 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 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) [2021-10-28 09:47:03,249 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 09:47:03,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:03,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:03,270 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:47:03,271 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:47:03,271 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:47:03,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 29 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 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) [2021-10-28 09:47:03,277 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 09:47:03,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:03,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:03,289 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:47:03,289 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:47:03,297 INFO L791 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 9#L50true assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 18#L27true assume !!(f_~k~0 <= 1073741823); 4#L30-2true [2021-10-28 09:47:03,298 INFO L793 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 4#L30-2true [2021-10-28 09:47:03,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:03,307 INFO L85 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2021-10-28 09:47:03,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:03,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260553662] [2021-10-28 09:47:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:03,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:03,437 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:03,518 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2021-10-28 09:47:03,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:03,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828449763] [2021-10-28 09:47:03,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:03,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:03,549 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:03,559 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:03,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:03,571 INFO L85 PathProgramCache]: Analyzing trace with hash 28693899, now seen corresponding path program 1 times [2021-10-28 09:47:03,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:03,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179136075] [2021-10-28 09:47:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:03,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:03,607 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:03,646 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:04,242 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:04,243 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:04,243 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:04,243 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:04,244 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:04,244 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:04,244 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:04,244 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:04,244 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration1_Lasso [2021-10-28 09:47:04,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:04,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:04,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:04,647 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:04,652 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:04,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:04,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:04,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:04,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:47:04,662 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 [2021-10-28 09:47:04,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:04,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:04,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:04,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:04,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:04,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:04,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:04,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:04,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:04,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:04,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:04,739 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:04,746 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 [2021-10-28 09:47:04,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:04,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:04,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:04,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:04,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:04,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:04,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:47:04,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:04,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:04,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:04,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:04,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:04,841 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 [2021-10-28 09:47:04,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:04,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:04,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:04,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:04,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:04,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:04,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:47:04,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:04,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 09:47:04,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:04,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:04,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:04,909 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 [2021-10-28 09:47:04,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:47:04,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:04,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:04,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:04,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:04,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:04,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:04,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:04,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 09:47:04,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:04,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:04,980 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:04,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:47:04,983 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 [2021-10-28 09:47:04,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:04,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:04,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:04,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:05,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:05,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,076 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,082 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 [2021-10-28 09:47:05,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:05,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:05,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:47:05,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,157 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,168 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 [2021-10-28 09:47:05,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:05,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:05,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:47:05,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,245 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:47:05,251 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 [2021-10-28 09:47:05,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:05,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:05,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,310 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:47:05,312 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 [2021-10-28 09:47:05,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:05,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:05,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,396 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:47:05,412 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 [2021-10-28 09:47:05,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:05,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:05,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,478 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:47:05,480 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 [2021-10-28 09:47:05,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:05,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:05,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:05,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,527 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:47:05,529 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 [2021-10-28 09:47:05,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:05,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:05,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:05,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-28 09:47:05,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,580 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:47:05,585 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 [2021-10-28 09:47:05,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:05,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:05,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:05,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,634 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:47:05,638 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 [2021-10-28 09:47:05,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:05,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:05,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:05,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-28 09:47:05,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,673 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:47:05,675 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 [2021-10-28 09:47:05,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:05,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:05,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:05,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,730 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:47:05,732 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 [2021-10-28 09:47:05,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:05,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:05,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:05,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,772 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:47:05,774 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 [2021-10-28 09:47:05,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:05,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:05,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:47:05,854 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 [2021-10-28 09:47:05,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:05,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:05,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:05,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:05,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:05,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:05,942 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:05,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:47:05,953 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 [2021-10-28 09:47:05,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:05,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:05,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:05,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:05,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:05,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:05,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:05,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:06,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:06,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:06,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:06,006 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:06,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:47:06,011 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 [2021-10-28 09:47:06,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:06,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:06,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:06,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:06,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:06,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:06,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:06,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:06,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:06,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:06,054 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:06,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:47:06,076 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 [2021-10-28 09:47:06,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:06,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:06,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:06,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:06,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:06,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:06,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:06,161 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 09:47:06,161 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:47:06,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:06,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:06,174 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:06,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:06,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:47:06,208 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:06,208 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:06,209 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2021-10-28 09:47:06,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:06,265 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:06,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:06,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:47:06,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:06,355 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:06,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:06,372 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-10-28 09:47:06,374 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 29 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-28 09:47:06,467 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 29 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 85 states and 129 transitions. Complement of second has 7 states. [2021-10-28 09:47:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:47:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-28 09:47:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 95 transitions. [2021-10-28 09:47:06,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 95 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-28 09:47:06,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:06,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 95 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-28 09:47:06,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:06,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 95 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:47:06,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:06,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 129 transitions. [2021-10-28 09:47:06,482 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2021-10-28 09:47:06,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 30 states and 38 transitions. [2021-10-28 09:47:06,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 09:47:06,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-28 09:47:06,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2021-10-28 09:47:06,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:47:06,490 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-28 09:47:06,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2021-10-28 09:47:06,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-10-28 09:47:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.25) internal successors, (30), 23 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) [2021-10-28 09:47:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2021-10-28 09:47:06,516 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-10-28 09:47:06,516 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-10-28 09:47:06,516 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:47:06,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2021-10-28 09:47:06,517 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 09:47:06,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:06,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:06,518 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:47:06,518 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:47:06,519 INFO L791 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 184#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 191#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 192#L27-1 assume !!(f_~k~0 <= 1073741823); 198#L30-6 [2021-10-28 09:47:06,519 INFO L793 eck$LassoCheckResult]: Loop: 198#L30-6 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 198#L30-6 [2021-10-28 09:47:06,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:06,519 INFO L85 PathProgramCache]: Analyzing trace with hash 927721, now seen corresponding path program 1 times [2021-10-28 09:47:06,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:06,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010818095] [2021-10-28 09:47:06,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:06,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:06,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:06,548 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:06,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:06,549 INFO L85 PathProgramCache]: Analyzing trace with hash 117, now seen corresponding path program 1 times [2021-10-28 09:47:06,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:06,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929278184] [2021-10-28 09:47:06,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:06,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:06,554 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:06,567 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:06,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:06,569 INFO L85 PathProgramCache]: Analyzing trace with hash 28759437, now seen corresponding path program 1 times [2021-10-28 09:47:06,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:06,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939682350] [2021-10-28 09:47:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:06,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:06,591 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:06,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:07,045 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:07,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:07,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:07,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:07,046 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:07,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,046 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:07,046 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:07,046 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration2_Lasso [2021-10-28 09:47:07,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:07,047 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:07,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:07,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:07,440 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:07,440 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:07,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,443 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,445 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 [2021-10-28 09:47:07,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:07,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:07,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:07,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:47:07,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 09:47:07,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,488 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:47:07,490 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 [2021-10-28 09:47:07,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:07,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:07,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:07,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:07,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,530 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:47:07,536 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 [2021-10-28 09:47:07,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:07,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:07,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:07,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 09:47:07,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,594 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:47:07,597 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 [2021-10-28 09:47:07,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:07,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:07,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:07,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,665 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,672 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 [2021-10-28 09:47:07,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:47:07,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:07,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:07,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:07,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 09:47:07,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,706 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:47:07,707 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 [2021-10-28 09:47:07,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:07,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:07,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:07,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 09:47:07,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,741 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,742 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 [2021-10-28 09:47:07,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:47:07,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:07,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:07,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:07,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 09:47:07,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,777 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:47:07,779 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 [2021-10-28 09:47:07,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:07,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:07,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:07,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,851 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,860 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 [2021-10-28 09:47:07,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:07,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:07,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:47:07,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:07,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,918 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:47:07,919 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 [2021-10-28 09:47:07,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:07,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:07,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:07,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:07,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:07,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:07,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:07,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:07,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:07,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:07,996 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:07,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:47:07,997 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 [2021-10-28 09:47:08,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:08,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:08,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:08,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:08,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:08,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:08,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:08,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:08,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:08,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:08,062 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:08,068 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 [2021-10-28 09:47:08,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:08,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:08,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:08,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:08,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:08,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:08,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:47:08,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:08,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:08,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:08,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:08,136 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:08,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:47:08,139 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 [2021-10-28 09:47:08,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:08,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:08,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:08,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:08,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:08,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:08,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:08,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-28 09:47:08,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:08,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:08,198 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:08,199 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 [2021-10-28 09:47:08,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:47:08,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:08,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:08,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:08,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:08,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:08,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:08,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:08,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:08,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:08,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:08,250 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:08,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:47:08,255 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 [2021-10-28 09:47:08,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:08,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:08,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:08,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:08,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:08,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:08,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:08,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:08,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:08,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:08,312 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:08,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:47:08,314 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 [2021-10-28 09:47:08,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:08,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:08,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:08,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:08,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:08,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:08,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:08,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:08,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:08,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:08,388 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:08,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:47:08,400 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 [2021-10-28 09:47:08,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:08,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:08,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:08,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:08,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:08,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:08,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:08,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:08,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:08,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:08,452 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:08,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:47:08,453 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 [2021-10-28 09:47:08,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:08,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:08,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:08,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:08,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:08,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:08,475 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:08,484 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:47:08,484 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:47:08,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:08,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:08,487 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:08,489 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:08,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:47:08,517 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:08,517 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:08,517 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0, ULTIMATE.start_f_~z~0) = 1*ULTIMATE.start_f_~k~0 - 1*ULTIMATE.start_f_~z~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2021-10-28 09:47:08,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:08,571 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:08,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:47:08,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:08,659 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:08,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:08,660 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-10-28 09:47:08,660 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-28 09:47:08,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 39 states and 50 transitions. Complement of second has 6 states. [2021-10-28 09:47:08,734 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 [2021-10-28 09:47:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-28 09:47:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-28 09:47:08,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-28 09:47:08,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:08,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-28 09:47:08,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:08,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:47:08,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:08,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-10-28 09:47:08,738 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2021-10-28 09:47:08,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 31 states and 40 transitions. [2021-10-28 09:47:08,739 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 09:47:08,739 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-28 09:47:08,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-10-28 09:47:08,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:47:08,740 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-28 09:47:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-10-28 09:47:08,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-10-28 09:47:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 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) [2021-10-28 09:47:08,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-10-28 09:47:08,743 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-28 09:47:08,743 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-28 09:47:08,743 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:47:08,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-10-28 09:47:08,744 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 09:47:08,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:08,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:08,745 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:47:08,745 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:47:08,746 INFO L791 eck$LassoCheckResult]: Stem: 308#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 309#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 316#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 312#L27 assume !!(f_~k~0 <= 1073741823); 305#L30-2 assume !(f_~z~0 < f_~k~0); 306#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 321#L18 assume !(0 == __VERIFIER_assert_~cond); 322#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 326#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 327#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 318#L38-2 [2021-10-28 09:47:08,746 INFO L793 eck$LassoCheckResult]: Loop: 318#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 319#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 318#L38-2 [2021-10-28 09:47:08,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:08,746 INFO L85 PathProgramCache]: Analyzing trace with hash 718281628, now seen corresponding path program 1 times [2021-10-28 09:47:08,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:08,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168205657] [2021-10-28 09:47:08,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:08,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:08,812 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:08,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:08,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:08,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2824, now seen corresponding path program 1 times [2021-10-28 09:47:08,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:08,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525816940] [2021-10-28 09:47:08,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:08,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:08,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:08,858 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:08,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:08,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:08,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1221088285, now seen corresponding path program 1 times [2021-10-28 09:47:08,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:08,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556915572] [2021-10-28 09:47:08,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:08,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:08,882 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:08,920 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:09,371 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:09,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:09,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:09,372 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:09,372 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:09,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:09,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:09,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:09,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration3_Lasso [2021-10-28 09:47:09,372 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:09,372 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:09,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:09,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:09,762 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:09,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:09,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:09,764 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:09,767 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 [2021-10-28 09:47:09,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:09,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:09,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:09,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:09,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:09,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:09,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:09,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:47:09,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:09,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:09,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:09,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:09,828 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:09,833 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 [2021-10-28 09:47:09,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:09,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:09,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:09,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:09,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:09,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:09,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:47:09,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:09,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:09,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:09,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:09,892 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:09,897 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 [2021-10-28 09:47:09,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:09,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:09,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:09,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:09,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:09,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:09,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:47:09,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:09,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:09,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:09,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:09,968 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:09,971 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 [2021-10-28 09:47:09,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:47:09,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:09,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:09,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:09,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:09,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:09,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:09,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:10,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,034 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,040 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 [2021-10-28 09:47:10,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:47:10,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:10,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,103 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,105 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 [2021-10-28 09:47:10,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:47:10,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:10,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,170 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,172 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 [2021-10-28 09:47:10,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:47:10,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:10,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,239 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,242 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 [2021-10-28 09:47:10,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:47:10,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:10,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,320 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,325 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 [2021-10-28 09:47:10,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:47:10,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 09:47:10,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,388 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:47:10,390 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 [2021-10-28 09:47:10,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:10,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,473 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:47:10,480 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 [2021-10-28 09:47:10,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:10,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,543 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:47:10,544 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 [2021-10-28 09:47:10,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:10,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:10,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:10,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 09:47:10,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,576 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:47:10,578 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 [2021-10-28 09:47:10,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:10,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:10,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:10,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 09:47:10,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,623 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:47:10,625 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 [2021-10-28 09:47:10,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 09:47:10,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,673 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:47:10,683 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 [2021-10-28 09:47:10,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:10,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 09:47:10,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,720 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:47:10,721 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 [2021-10-28 09:47:10,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:10,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:10,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:10,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:10,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:10,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:10,765 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:10,778 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:47:10,778 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-28 09:47:10,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:10,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:10,783 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:10,785 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:10,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:47:10,816 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:10,816 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:10,817 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-28 09:47:10,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:10,868 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:10,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:10,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:10,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:11,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:11,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:11,066 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 [2021-10-28 09:47:11,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-28 09:47:11,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 31 states and 40 transitions. Complement of second has 6 states. [2021-10-28 09:47:11,117 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 [2021-10-28 09:47:11,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-28 09:47:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-28 09:47:11,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-28 09:47:11,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:11,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-28 09:47:11,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:11,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-28 09:47:11,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:11,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-10-28 09:47:11,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 09:47:11,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2021-10-28 09:47:11,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-10-28 09:47:11,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-10-28 09:47:11,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2021-10-28 09:47:11,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:47:11,138 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-10-28 09:47:11,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2021-10-28 09:47:11,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2021-10-28 09:47:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 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) [2021-10-28 09:47:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2021-10-28 09:47:11,144 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-10-28 09:47:11,144 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-10-28 09:47:11,144 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:47:11,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2021-10-28 09:47:11,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 09:47:11,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:11,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:11,150 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:47:11,151 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:47:11,153 INFO L791 eck$LassoCheckResult]: Stem: 448#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 449#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 456#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 457#L27-1 assume !!(f_~k~0 <= 1073741823); 466#L30-6 assume !(f_~z~0 < f_~k~0); 467#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 471#L18-3 assume !(0 == __VERIFIER_assert_~cond); 453#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 454#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 463#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 450#L38-5 [2021-10-28 09:47:11,153 INFO L793 eck$LassoCheckResult]: Loop: 450#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 451#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 450#L38-5 [2021-10-28 09:47:11,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:11,153 INFO L85 PathProgramCache]: Analyzing trace with hash 177855644, now seen corresponding path program 1 times [2021-10-28 09:47:11,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:11,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941048455] [2021-10-28 09:47:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:11,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:11,166 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:11,181 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:11,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:11,182 INFO L85 PathProgramCache]: Analyzing trace with hash 4936, now seen corresponding path program 1 times [2021-10-28 09:47:11,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:11,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817977879] [2021-10-28 09:47:11,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:11,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:11,188 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:11,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:11,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:11,202 INFO L85 PathProgramCache]: Analyzing trace with hash -879413981, now seen corresponding path program 1 times [2021-10-28 09:47:11,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:11,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974346203] [2021-10-28 09:47:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:11,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:11,216 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:11,233 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:11,669 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:11,669 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:11,669 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:11,669 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:11,670 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:11,670 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:11,670 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:11,670 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:11,670 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration4_Lasso [2021-10-28 09:47:11,670 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:11,670 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:11,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:11,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:12,023 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:12,023 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:12,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,027 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:47:12,030 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 [2021-10-28 09:47:12,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:12,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:12,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 09:47:12,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,072 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:47:12,074 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 [2021-10-28 09:47:12,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:12,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:12,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:12,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,111 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:47:12,133 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 [2021-10-28 09:47:12,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:12,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:12,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:12,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:12,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,176 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:47:12,177 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 [2021-10-28 09:47:12,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:12,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:12,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:12,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 09:47:12,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,210 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:47:12,211 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 [2021-10-28 09:47:12,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:12,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:12,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:12,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:12,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,251 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:47:12,253 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 [2021-10-28 09:47:12,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:12,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:12,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:12,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:12,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,288 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:47:12,289 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 [2021-10-28 09:47:12,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:12,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:12,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:12,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:12,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,323 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:47:12,326 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 [2021-10-28 09:47:12,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:12,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:12,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:12,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 09:47:12,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,360 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:47:12,361 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 [2021-10-28 09:47:12,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:12,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:12,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:12,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:12,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,398 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:47:12,416 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 [2021-10-28 09:47:12,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:12,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:12,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:12,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:12,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:12,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:12,447 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:12,473 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 09:47:12,473 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-28 09:47:12,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:12,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:12,474 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:12,476 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:12,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:47:12,508 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:12,508 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:12,508 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-28 09:47:12,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:12,557 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:12,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:12,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:12,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:12,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:12,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:12,732 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 [2021-10-28 09:47:12,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-28 09:47:12,784 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 35 states and 46 transitions. Complement of second has 6 states. [2021-10-28 09:47:12,784 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 [2021-10-28 09:47:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-28 09:47:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-28 09:47:12,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-28 09:47:12,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:12,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-28 09:47:12,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:12,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-28 09:47:12,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:12,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2021-10-28 09:47:12,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 09:47:12,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 34 states and 45 transitions. [2021-10-28 09:47:12,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-28 09:47:12,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 09:47:12,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2021-10-28 09:47:12,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:47:12,798 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-10-28 09:47:12,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2021-10-28 09:47:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-10-28 09:47:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 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) [2021-10-28 09:47:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2021-10-28 09:47:12,811 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-28 09:47:12,811 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-28 09:47:12,811 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:47:12,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 44 transitions. [2021-10-28 09:47:12,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 09:47:12,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:12,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:12,816 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:47:12,816 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:47:12,817 INFO L791 eck$LassoCheckResult]: Stem: 596#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 597#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 607#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 604#L27 assume !!(f_~k~0 <= 1073741823); 593#L30-2 assume !(f_~z~0 < f_~k~0); 594#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 615#L18 assume !(0 == __VERIFIER_assert_~cond); 616#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 620#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 621#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 625#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 613#L38 assume 0 != f_~c~0 % 256; 624#L39 [2021-10-28 09:47:12,817 INFO L793 eck$LassoCheckResult]: Loop: 624#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 609#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 610#L38 assume 0 != f_~c~0 % 256; 624#L39 [2021-10-28 09:47:12,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:12,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1221088289, now seen corresponding path program 1 times [2021-10-28 09:47:12,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:12,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420591463] [2021-10-28 09:47:12,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:12,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:12,852 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:12,879 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:12,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:12,884 INFO L85 PathProgramCache]: Analyzing trace with hash 92193, now seen corresponding path program 1 times [2021-10-28 09:47:12,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:12,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426183664] [2021-10-28 09:47:12,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:12,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:12,893 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:12,903 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:12,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:12,904 INFO L85 PathProgramCache]: Analyzing trace with hash 931841923, now seen corresponding path program 1 times [2021-10-28 09:47:12,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:12,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892636753] [2021-10-28 09:47:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:12,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:12,937 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:12,964 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:13,020 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:13,020 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:13,020 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:13,021 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:13,021 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:47:13,021 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:13,021 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:13,021 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:13,021 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Loop [2021-10-28 09:47:13,021 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:13,022 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:13,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,138 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:13,138 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:47:13,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:13,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:13,144 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:13,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:47:13,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:13,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:47:13,180 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:47:13,181 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7=-160, ULTIMATE.start_f_~y~0=96} Honda state: {ULTIMATE.start_f_#t~nondet7=-160, ULTIMATE.start_f_~y~0=96} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:47:13,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:13,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:13,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:13,224 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:13,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:47:13,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:13,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:47:13,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:13,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:13,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:13,287 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:13,289 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:47:13,289 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:13,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:47:13,315 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:47:13,315 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=-2}, {ULTIMATE.start_f_~z~0=4}] Lambdas: [1, 3, 1] Nus: [0, 1] [2021-10-28 09:47:13,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-28 09:47:13,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:13,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:13,349 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:13,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 09:47:13,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:47:13,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:13,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:47:13,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:47:13,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:13,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:13,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:13,393 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:13,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 09:47:13,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:47:13,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:13,423 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:47:13,423 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0=-168, ULTIMATE.start_f_#t~nondet6=-168} Honda state: {ULTIMATE.start_f_~c~0=-168, ULTIMATE.start_f_#t~nondet6=-168} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:47:13,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 09:47:13,896 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:13,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:13,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:13,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:13,897 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:13,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:13,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:13,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:13,897 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Lasso [2021-10-28 09:47:13,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:13,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:13,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-28 09:47:13,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:13,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:14,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:14,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:14,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:14,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:14,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:14,303 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:14,303 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:14,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,305 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:47:14,306 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 [2021-10-28 09:47:14,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-28 09:47:14,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,340 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:47:14,342 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 [2021-10-28 09:47:14,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 09:47:14,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,376 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:47:14,377 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 [2021-10-28 09:47:14,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-28 09:47:14,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,409 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:47:14,411 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 [2021-10-28 09:47:14,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-28 09:47:14,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,444 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:47:14,446 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 [2021-10-28 09:47:14,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 09:47:14,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,478 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 09:47:14,480 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 [2021-10-28 09:47:14,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:14,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,528 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 09:47:14,530 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 [2021-10-28 09:47:14,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 09:47:14,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,599 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,608 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 [2021-10-28 09:47:14,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 09:47:14,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:14,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,656 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 09:47:14,658 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 [2021-10-28 09:47:14,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:14,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,690 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 09:47:14,691 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 [2021-10-28 09:47:14,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-28 09:47:14,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,723 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 09:47:14,725 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 [2021-10-28 09:47:14,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:14,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,790 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 09:47:14,792 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 [2021-10-28 09:47:14,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 09:47:14,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,827 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 09:47:14,829 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 [2021-10-28 09:47:14,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:14,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:14,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:14,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:14,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-28 09:47:14,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,860 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 09:47:14,861 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 [2021-10-28 09:47:14,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:14,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:14,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:14,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:14,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:14,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:14,878 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:14,884 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:47:14,884 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:47:14,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:14,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:14,885 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:14,886 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:14,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 09:47:14,896 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:14,897 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:14,897 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-28 09:47:14,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:14,928 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:14,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:14,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:14,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:15,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:15,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:15,147 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-28 09:47:15,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-10-28 09:47:15,203 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 43 states and 57 transitions. Complement of second has 7 states. [2021-10-28 09:47:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:47:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-10-28 09:47:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2021-10-28 09:47:15,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-28 09:47:15,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:15,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 09:47:15,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:15,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-28 09:47:15,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:15,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-28 09:47:15,207 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:47:15,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 39 states and 52 transitions. [2021-10-28 09:47:15,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-28 09:47:15,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 09:47:15,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 52 transitions. [2021-10-28 09:47:15,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:47:15,209 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2021-10-28 09:47:15,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 52 transitions. [2021-10-28 09:47:15,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-10-28 09:47:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 37 states have internal predecessors, (51), 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) [2021-10-28 09:47:15,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2021-10-28 09:47:15,212 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2021-10-28 09:47:15,212 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2021-10-28 09:47:15,213 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:47:15,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 51 transitions. [2021-10-28 09:47:15,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:47:15,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:15,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:15,214 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:47:15,214 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:47:15,214 INFO L791 eck$LassoCheckResult]: Stem: 768#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 769#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 779#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 780#L27-1 assume !!(f_~k~0 <= 1073741823); 788#L30-6 assume !(f_~z~0 < f_~k~0); 789#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 793#L18-3 assume !(0 == __VERIFIER_assert_~cond); 776#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 777#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 785#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 794#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 774#L38-3 assume 0 != f_~c~0 % 256; 778#L39-1 [2021-10-28 09:47:15,215 INFO L793 eck$LassoCheckResult]: Loop: 778#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 770#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 771#L38-3 assume 0 != f_~c~0 % 256; 778#L39-1 [2021-10-28 09:47:15,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:15,216 INFO L85 PathProgramCache]: Analyzing trace with hash -879413985, now seen corresponding path program 1 times [2021-10-28 09:47:15,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:15,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737404181] [2021-10-28 09:47:15,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:15,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:15,227 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:15,240 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:15,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:15,241 INFO L85 PathProgramCache]: Analyzing trace with hash 157731, now seen corresponding path program 1 times [2021-10-28 09:47:15,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:15,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744253162] [2021-10-28 09:47:15,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:15,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:15,247 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:15,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:15,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:15,305 INFO L85 PathProgramCache]: Analyzing trace with hash 678606405, now seen corresponding path program 1 times [2021-10-28 09:47:15,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:15,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510287273] [2021-10-28 09:47:15,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:15,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:15,327 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:15,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:15,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:15,401 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:15,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:15,402 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:15,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:15,402 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:47:15,402 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:15,402 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:15,402 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:15,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Loop [2021-10-28 09:47:15,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:15,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:15,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:15,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:15,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:15,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:15,509 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:15,509 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:47:15,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:15,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:15,510 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:15,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 09:47:15,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:47:15,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:15,527 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:47:15,527 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:47:15,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:15,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:15,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:15,551 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:15,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 09:47:15,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:47:15,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:15,574 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:47:15,574 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0=-216, ULTIMATE.start_f_#t~nondet6=-216} Honda state: {ULTIMATE.start_f_~c~0=-216, ULTIMATE.start_f_#t~nondet6=-216} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:47:15,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-28 09:47:15,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:15,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:15,598 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:15,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 09:47:15,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:47:15,599 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:15,619 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:47:15,620 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7=58, ULTIMATE.start_f_~y~0=58} Honda state: {ULTIMATE.start_f_#t~nondet7=58, ULTIMATE.start_f_~y~0=58} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:47:15,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:15,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:15,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:15,642 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:15,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 09:47:15,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:47:15,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:15,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:15,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:15,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:15,674 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:15,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 09:47:15,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:47:15,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:47:15,720 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:47:15,721 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=-2}, {ULTIMATE.start_f_~z~0=4}] Lambdas: [1, 3, 1] Nus: [0, 1] [2021-10-28 09:47:15,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:16,128 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:16,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:16,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:16,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:16,129 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:16,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:16,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:16,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:16,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Lasso [2021-10-28 09:47:16,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:16,129 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:16,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:16,475 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:16,475 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:16,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:16,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:16,482 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:16,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 09:47:16,484 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 [2021-10-28 09:47:16,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:16,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:16,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:16,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:16,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:16,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:16,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:16,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-28 09:47:16,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:16,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:16,516 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:16,517 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 [2021-10-28 09:47:16,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 09:47:16,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:16,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:16,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:16,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:16,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:16,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:16,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:16,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:16,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:16,559 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:16,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 09:47:16,560 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 [2021-10-28 09:47:16,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:16,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:16,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:16,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:16,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:16,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:16,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:16,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:16,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:16,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:16,608 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:16,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 09:47:16,609 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 [2021-10-28 09:47:16,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:16,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:16,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:16,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:16,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:16,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:16,647 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:16,654 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:47:16,654 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-10-28 09:47:16,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:16,659 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:16,664 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:16,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 09:47:16,685 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:16,685 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:16,686 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-28 09:47:16,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-10-28 09:47:16,726 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:16,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:16,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:16,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:16,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:16,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:16,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:16,944 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-28 09:47:16,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-10-28 09:47:16,990 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 48 states and 64 transitions. Complement of second has 7 states. [2021-10-28 09:47:16,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:47:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-10-28 09:47:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2021-10-28 09:47:16,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-28 09:47:16,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:16,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 09:47:16,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:16,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-28 09:47:16,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:16,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 64 transitions. [2021-10-28 09:47:16,995 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:47:16,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 59 transitions. [2021-10-28 09:47:16,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-28 09:47:16,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 09:47:16,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 59 transitions. [2021-10-28 09:47:16,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:47:16,997 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 59 transitions. [2021-10-28 09:47:16,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 59 transitions. [2021-10-28 09:47:16,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2021-10-28 09:47:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 42 states have internal predecessors, (58), 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) [2021-10-28 09:47:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2021-10-28 09:47:17,001 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2021-10-28 09:47:17,001 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2021-10-28 09:47:17,001 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:47:17,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 58 transitions. [2021-10-28 09:47:17,002 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:47:17,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:17,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:17,002 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:47:17,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:47:17,003 INFO L791 eck$LassoCheckResult]: Stem: 950#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 951#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 963#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 960#L27 assume !!(f_~k~0 <= 1073741823); 947#L30-2 assume !(f_~z~0 < f_~k~0); 948#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 970#L18 assume !(0 == __VERIFIER_assert_~cond); 971#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 975#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 976#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 981#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 985#L38 assume 0 != f_~c~0 % 256; 982#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 983#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 989#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 965#L38-2 [2021-10-28 09:47:17,003 INFO L793 eck$LassoCheckResult]: Loop: 965#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 966#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 965#L38-2 [2021-10-28 09:47:17,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:17,004 INFO L85 PathProgramCache]: Analyzing trace with hash 931841927, now seen corresponding path program 1 times [2021-10-28 09:47:17,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:17,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110800054] [2021-10-28 09:47:17,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:17,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:17,013 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:17,024 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:17,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:17,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2824, now seen corresponding path program 2 times [2021-10-28 09:47:17,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:17,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394635378] [2021-10-28 09:47:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:17,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:17,029 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:17,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:17,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:17,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2146896142, now seen corresponding path program 2 times [2021-10-28 09:47:17,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:17,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347961310] [2021-10-28 09:47:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:17,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:17,043 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:17,055 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:17,580 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:17,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:17,580 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:17,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:17,581 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:17,581 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:17,581 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:17,581 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:17,581 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration7_Lasso [2021-10-28 09:47:17,581 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:17,581 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:17,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:17,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:17,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:17,905 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:17,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:17,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:17,910 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:17,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 09:47:17,915 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 [2021-10-28 09:47:17,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:17,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:17,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:17,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:17,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:17,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:17,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:17,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-28 09:47:17,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:17,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:17,949 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:17,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 09:47:17,950 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 [2021-10-28 09:47:17,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:17,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:17,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:17,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:17,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:17,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:17,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:17,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:17,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:17,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:17,981 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:17,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 09:47:17,982 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 [2021-10-28 09:47:17,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:17,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:17,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:17,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:17,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:17,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:17,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,013 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 09:47:18,014 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 [2021-10-28 09:47:18,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,045 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 09:47:18,046 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 [2021-10-28 09:47:18,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,077 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 09:47:18,078 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 [2021-10-28 09:47:18,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,153 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,160 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 [2021-10-28 09:47:18,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 09:47:18,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-28 09:47:18,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,204 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 09:47:18,205 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 [2021-10-28 09:47:18,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,236 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 09:47:18,237 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 [2021-10-28 09:47:18,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,270 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 09:47:18,271 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 [2021-10-28 09:47:18,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-28 09:47:18,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,302 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,303 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 [2021-10-28 09:47:18,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 09:47:18,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,336 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 09:47:18,337 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 [2021-10-28 09:47:18,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-28 09:47:18,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,375 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 09:47:18,377 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 [2021-10-28 09:47:18,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-10-28 09:47:18,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,412 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 09:47:18,413 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 [2021-10-28 09:47:18,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-28 09:47:18,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,446 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 09:47:18,448 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 [2021-10-28 09:47:18,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:18,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:18,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:18,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,485 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 09:47:18,486 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 [2021-10-28 09:47:18,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,521 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 09:47:18,523 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 [2021-10-28 09:47:18,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-28 09:47:18,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,557 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 09:47:18,558 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 [2021-10-28 09:47:18,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:18,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:18,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:18,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,591 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 09:47:18,592 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 [2021-10-28 09:47:18,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:18,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:18,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:18,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:18,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-10-28 09:47:18,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,626 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 09:47:18,628 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 [2021-10-28 09:47:18,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:18,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:18,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:18,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:18,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:18,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:18,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:18,665 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 09:47:18,665 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 09:47:18,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:18,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:18,667 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:18,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 09:47:18,668 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:18,679 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:18,679 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:18,679 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-28 09:47:18,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:18,711 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:18,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:18,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:18,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:18,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:18,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:18,919 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 [2021-10-28 09:47:18,920 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2021-10-28 09:47:18,969 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 61 states and 80 transitions. Complement of second has 6 states. [2021-10-28 09:47:18,970 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 [2021-10-28 09:47:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2021-10-28 09:47:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-28 09:47:18,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-28 09:47:18,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:18,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:47:18,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:18,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-28 09:47:18,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:18,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 80 transitions. [2021-10-28 09:47:18,973 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:47:18,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 53 states and 70 transitions. [2021-10-28 09:47:18,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-28 09:47:18,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-28 09:47:18,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 70 transitions. [2021-10-28 09:47:18,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:47:18,974 INFO L681 BuchiCegarLoop]: Abstraction has 53 states and 70 transitions. [2021-10-28 09:47:18,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 70 transitions. [2021-10-28 09:47:18,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2021-10-28 09:47:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 50 states have internal predecessors, (68), 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) [2021-10-28 09:47:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2021-10-28 09:47:18,979 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2021-10-28 09:47:18,979 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2021-10-28 09:47:18,979 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:47:18,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 68 transitions. [2021-10-28 09:47:18,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:47:18,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:18,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:18,980 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:47:18,981 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:47:18,981 INFO L791 eck$LassoCheckResult]: Stem: 1153#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1154#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1169#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1170#L27-1 assume !!(f_~k~0 <= 1073741823); 1179#L30-6 assume !(f_~z~0 < f_~k~0); 1180#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1184#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1161#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1162#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1176#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1155#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1156#L38-3 assume 0 != f_~c~0 % 256; 1166#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1167#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1192#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1164#L38-5 [2021-10-28 09:47:18,981 INFO L793 eck$LassoCheckResult]: Loop: 1164#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1163#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1164#L38-5 [2021-10-28 09:47:18,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:18,981 INFO L85 PathProgramCache]: Analyzing trace with hash 678606409, now seen corresponding path program 1 times [2021-10-28 09:47:18,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:18,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344674358] [2021-10-28 09:47:18,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:18,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:18,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:19,005 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:19,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:19,006 INFO L85 PathProgramCache]: Analyzing trace with hash 4936, now seen corresponding path program 2 times [2021-10-28 09:47:19,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:19,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202837577] [2021-10-28 09:47:19,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:19,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:19,011 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:19,014 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:19,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:19,017 INFO L85 PathProgramCache]: Analyzing trace with hash -694265968, now seen corresponding path program 2 times [2021-10-28 09:47:19,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:19,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994219064] [2021-10-28 09:47:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:19,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:19,047 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:19,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:19,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:19,626 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:19,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:19,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:19,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:19,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:19,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:19,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:19,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:19,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration8_Lasso [2021-10-28 09:47:19,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:19,626 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:19,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:19,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:20,006 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:20,006 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:20,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,009 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 09:47:20,010 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 [2021-10-28 09:47:20,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:20,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:20,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:20,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,044 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 09:47:20,045 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 [2021-10-28 09:47:20,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,085 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 09:47:20,086 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 [2021-10-28 09:47:20,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-10-28 09:47:20,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,139 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 09:47:20,142 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 [2021-10-28 09:47:20,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,180 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-28 09:47:20,181 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 [2021-10-28 09:47:20,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,217 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 09:47:20,219 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 [2021-10-28 09:47:20,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,255 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 09:47:20,258 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 [2021-10-28 09:47:20,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:20,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:20,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:20,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,295 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-28 09:47:20,302 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 [2021-10-28 09:47:20,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:20,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:20,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:20,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-10-28 09:47:20,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,337 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 09:47:20,338 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 [2021-10-28 09:47:20,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,375 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 09:47:20,376 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 [2021-10-28 09:47:20,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-10-28 09:47:20,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,413 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 09:47:20,415 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 [2021-10-28 09:47:20,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:20,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:20,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:20,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,459 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 09:47:20,461 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 [2021-10-28 09:47:20,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-10-28 09:47:20,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,535 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,548 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 [2021-10-28 09:47:20,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-28 09:47:20,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,616 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,618 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 [2021-10-28 09:47:20,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 09:47:20,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,689 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,691 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 [2021-10-28 09:47:20,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-28 09:47:20,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,764 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,768 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 [2021-10-28 09:47:20,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 09:47:20,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,842 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,848 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 [2021-10-28 09:47:20,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 09:47:20,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,929 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:20,931 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 [2021-10-28 09:47:20,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:20,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:20,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:20,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:20,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:20,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:20,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 09:47:20,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:20,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:20,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:20,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:20,999 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:21,001 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 [2021-10-28 09:47:21,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:21,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:21,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:21,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:21,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:21,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:21,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 09:47:21,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:21,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:21,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:21,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:21,070 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:21,072 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 [2021-10-28 09:47:21,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:21,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:21,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:21,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:21,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:21,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:21,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 09:47:21,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:21,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-10-28 09:47:21,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:21,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:21,134 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:21,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-28 09:47:21,136 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 [2021-10-28 09:47:21,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:21,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:21,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:21,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:21,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:21,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:21,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:21,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:21,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:21,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:21,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:21,172 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:21,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-28 09:47:21,174 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 [2021-10-28 09:47:21,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:21,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:47:21,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:21,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:21,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:21,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:47:21,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:47:21,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:21,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-10-28 09:47:21,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:21,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:21,210 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:21,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-28 09:47:21,211 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 [2021-10-28 09:47:21,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:21,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:21,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:21,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:21,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:21,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:21,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:21,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:21,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:21,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:21,250 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:21,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 09:47:21,251 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 [2021-10-28 09:47:21,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:21,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:21,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:21,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:21,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:21,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:21,272 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:21,289 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 09:47:21,289 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-28 09:47:21,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:21,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:21,290 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:21,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:21,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-28 09:47:21,303 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:21,303 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:21,303 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-28 09:47:21,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:21,341 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:21,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:21,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:21,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:21,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:21,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:21,562 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 [2021-10-28 09:47:21,562 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2021-10-28 09:47:21,611 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 69 states and 90 transitions. Complement of second has 6 states. [2021-10-28 09:47:21,612 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 [2021-10-28 09:47:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2021-10-28 09:47:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-28 09:47:21,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-28 09:47:21,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:21,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:47:21,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:21,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-28 09:47:21,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:21,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 90 transitions. [2021-10-28 09:47:21,614 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:47:21,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 61 states and 80 transitions. [2021-10-28 09:47:21,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-10-28 09:47:21,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-10-28 09:47:21,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 80 transitions. [2021-10-28 09:47:21,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:47:21,616 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2021-10-28 09:47:21,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 80 transitions. [2021-10-28 09:47:21,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2021-10-28 09:47:21,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 58 states have internal predecessors, (78), 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) [2021-10-28 09:47:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2021-10-28 09:47:21,621 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2021-10-28 09:47:21,621 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2021-10-28 09:47:21,621 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:47:21,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 78 transitions. [2021-10-28 09:47:21,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:47:21,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:21,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:21,623 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:47:21,623 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:47:21,624 INFO L791 eck$LassoCheckResult]: Stem: 1372#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1373#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1389#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1379#L27 assume !!(f_~k~0 <= 1073741823); 1369#L30-2 assume !(f_~z~0 < f_~k~0); 1370#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1396#L18 assume !(0 == __VERIFIER_assert_~cond); 1397#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1401#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1402#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1408#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1420#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1426#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1424#L38 assume 0 != f_~c~0 % 256; 1423#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1422#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1421#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1391#L38-2 [2021-10-28 09:47:21,624 INFO L793 eck$LassoCheckResult]: Loop: 1391#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1392#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1391#L38-2 [2021-10-28 09:47:21,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:21,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2038084704, now seen corresponding path program 3 times [2021-10-28 09:47:21,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:21,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764812976] [2021-10-28 09:47:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:21,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:21,635 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:21,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:21,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:21,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2824, now seen corresponding path program 3 times [2021-10-28 09:47:21,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:21,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407795714] [2021-10-28 09:47:21,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:21,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:21,653 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:21,656 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:21,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash -94311705, now seen corresponding path program 4 times [2021-10-28 09:47:21,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:21,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184178575] [2021-10-28 09:47:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:21,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:21,667 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:21,679 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:21,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:22,277 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:22,277 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:22,277 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:22,277 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:22,277 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:22,277 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:22,277 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:22,278 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:22,278 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration9_Lasso [2021-10-28 09:47:22,278 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:22,278 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:22,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:22,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:22,596 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:22,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:22,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:22,598 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:22,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-28 09:47:22,599 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 [2021-10-28 09:47:22,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:22,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:22,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:22,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:22,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:22,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:22,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:47:22,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-10-28 09:47:22,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:22,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:22,638 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:22,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-28 09:47:22,648 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 [2021-10-28 09:47:22,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:22,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:22,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:22,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:22,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:22,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:22,667 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:22,675 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:47:22,676 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-28 09:47:22,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:22,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:22,679 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:22,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-28 09:47:22,680 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:22,688 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:22,689 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:22,689 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-28 09:47:22,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:22,736 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:22,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:22,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:22,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:22,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:22,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:22,955 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 [2021-10-28 09:47:22,956 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-28 09:47:22,991 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 67 states and 86 transitions. Complement of second has 6 states. [2021-10-28 09:47:22,992 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 [2021-10-28 09:47:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-28 09:47:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-28 09:47:22,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:47:22,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:22,993 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:47:23,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:23,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:23,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:23,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:23,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:23,216 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 09:47:23,216 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-28 09:47:23,250 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 67 states and 86 transitions. Complement of second has 6 states. [2021-10-28 09:47:23,250 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 [2021-10-28 09:47:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-28 09:47:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-28 09:47:23,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:47:23,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:23,251 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:47:23,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:23,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:47:23,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:23,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:47:23,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:23,470 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 09:47:23,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-28 09:47:23,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 70 states and 91 transitions. Complement of second has 5 states. [2021-10-28 09:47:23,516 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 [2021-10-28 09:47:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-28 09:47:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2021-10-28 09:47:23,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:47:23,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:23,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 19 letters. Loop has 2 letters. [2021-10-28 09:47:23,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:23,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 4 letters. [2021-10-28 09:47:23,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:23,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 91 transitions. [2021-10-28 09:47:23,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:47:23,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 31 states and 40 transitions. [2021-10-28 09:47:23,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 09:47:23,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 09:47:23,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-10-28 09:47:23,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:47:23,520 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-28 09:47:23,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-10-28 09:47:23,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-28 09:47:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 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) [2021-10-28 09:47:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-10-28 09:47:23,522 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-28 09:47:23,523 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-28 09:47:23,523 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:47:23,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-10-28 09:47:23,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:47:23,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:47:23,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:47:23,528 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:47:23,528 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:47:23,528 INFO L791 eck$LassoCheckResult]: Stem: 1870#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1871#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1884#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1885#L27-1 assume !!(f_~k~0 <= 1073741823); 1887#L30-6 assume !(f_~z~0 < f_~k~0); 1888#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1890#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1880#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1881#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1886#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1872#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1873#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1900#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1897#L38-3 assume 0 != f_~c~0 % 256; 1896#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1895#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1891#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1892#L38-5 [2021-10-28 09:47:23,529 INFO L793 eck$LassoCheckResult]: Loop: 1892#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1894#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1892#L38-5 [2021-10-28 09:47:23,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:23,529 INFO L85 PathProgramCache]: Analyzing trace with hash -584279518, now seen corresponding path program 3 times [2021-10-28 09:47:23,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:23,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092905246] [2021-10-28 09:47:23,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:23,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:23,549 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:23,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash 4936, now seen corresponding path program 3 times [2021-10-28 09:47:23,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:23,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091247280] [2021-10-28 09:47:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:23,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:23,610 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:23,613 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:23,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:23,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1148102953, now seen corresponding path program 4 times [2021-10-28 09:47:23,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:47:23,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279792409] [2021-10-28 09:47:23,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:47:23,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:47:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:23,640 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:47:23,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:47:23,663 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:47:24,239 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:47:24,239 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:47:24,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:47:24,240 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:47:24,240 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:47:24,240 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:24,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:47:24,240 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:47:24,240 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration10_Lasso [2021-10-28 09:47:24,240 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:47:24,240 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:47:24,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:47:24,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:47:24,560 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:47:24,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:24,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:24,561 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:24,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-28 09:47:24,563 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 [2021-10-28 09:47:24,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:47:24,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:47:24,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:47:24,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:47:24,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:47:24,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:47:24,581 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:47:24,592 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 09:47:24,592 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 09:47:24,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:47:24,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:47:24,593 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:47:24,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-28 09:47:24,594 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:47:24,604 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:47:24,604 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:47:24,604 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [499999*ULTIMATE.start_f_~d - 1*ULTIMATE.start_f_~x~0 >= 0] [2021-10-28 09:47:24,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:24,636 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 09:47:24,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:24,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:47:24,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:24,865 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:47:24,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:24,906 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-28 09:47:24,907 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-10-28 09:47:24,977 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 37 states and 47 transitions. Complement of second has 9 states. [2021-10-28 09:47:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:47:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-10-28 09:47:24,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2021-10-28 09:47:24,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:47:24,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:24,978 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:47:25,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:25,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:47:25,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:25,165 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:47:25,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:25,191 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-28 09:47:25,191 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-10-28 09:47:25,258 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 37 states and 47 transitions. Complement of second has 9 states. [2021-10-28 09:47:25,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:47:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-10-28 09:47:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2021-10-28 09:47:25,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:47:25,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:25,259 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:47:25,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:47:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:25,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:47:25,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:25,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-10-28 09:47:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:47:25,501 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:47:25,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:47:25,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:47:25,527 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-28 09:47:25,527 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-10-28 09:47:25,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 38 states and 49 transitions. Complement of second has 8 states. [2021-10-28 09:47:25,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:47:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-10-28 09:47:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 24 transitions. [2021-10-28 09:47:25,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:47:25,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:25,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 19 letters. Loop has 2 letters. [2021-10-28 09:47:25,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:25,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2021-10-28 09:47:25,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:47:25,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2021-10-28 09:47:25,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:47:25,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2021-10-28 09:47:25,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:47:25,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:47:25,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:47:25,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:47:25,581 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:47:25,581 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:47:25,581 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:47:25,581 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:47:25,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:47:25,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:47:25,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:47:25,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:47:25 BoogieIcfgContainer [2021-10-28 09:47:25,586 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:47:25,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:47:25,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:47:25,587 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:47:25,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:47:03" (3/4) ... [2021-10-28 09:47:25,589 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:47:25,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:47:25,590 INFO L168 Benchmark]: Toolchain (without parser) took 23299.01 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 72.8 MB in the beginning and 72.1 MB in the end (delta: 684.8 kB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:25,591 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 109.1 MB. Free memory was 88.9 MB in the beginning and 88.9 MB in the end (delta: 66.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:47:25,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.37 ms. Allocated memory is still 109.1 MB. Free memory was 72.6 MB in the beginning and 84.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:25,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 82.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:47:25,592 INFO L168 Benchmark]: Boogie Preprocessor took 28.28 ms. Allocated memory is still 109.1 MB. Free memory was 82.9 MB in the beginning and 81.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:25,592 INFO L168 Benchmark]: RCFGBuilder took 470.89 ms. Allocated memory is still 109.1 MB. Free memory was 81.7 MB in the beginning and 70.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:25,593 INFO L168 Benchmark]: BuchiAutomizer took 22436.00 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 70.6 MB in the beginning and 73.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:47:25,593 INFO L168 Benchmark]: Witness Printer took 2.94 ms. Allocated memory is still 132.1 MB. Free memory was 73.1 MB in the beginning and 72.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:47:25,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 109.1 MB. Free memory was 88.9 MB in the beginning and 88.9 MB in the end (delta: 66.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.37 ms. Allocated memory is still 109.1 MB. Free memory was 72.6 MB in the beginning and 84.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 82.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.28 ms. Allocated memory is still 109.1 MB. Free memory was 82.9 MB in the beginning and 81.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 470.89 ms. Allocated memory is still 109.1 MB. Free memory was 81.7 MB in the beginning and 70.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 22436.00 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 70.6 MB in the beginning and 73.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * Witness Printer took 2.94 ms. Allocated memory is still 132.1 MB. Free memory was 73.1 MB in the beginning and 72.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (0 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function k + -1 * z and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function -1 * d + x and consists of 5 locations. One deterministic module has affine ranking function -1 * d + x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.3s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 18.4s. Construction of modules took 0.2s. Büchi inclusion checks took 3.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 20 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 8. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 324 SDtfs, 565 SDslu, 127 SDs, 0 SdLazy, 181 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital124 mio100 ax100 hnf100 lsp47 ukn62 mio100 lsp79 div300 bol100 ite100 ukn100 eq145 hnf47 smp87 dnf100 smp100 tf101 neg98 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:47:25,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2961f7e5-1086-407c-9ee3-a2ad1d53c716/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...