./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sep05-1.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_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sep05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD --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 ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:26:44,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:26:44,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:26:44,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:26:44,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:26:44,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:26:44,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:26:44,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:26:44,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:26:44,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:26:44,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:26:44,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:26:44,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:26:44,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:26:44,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:26:44,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:26:44,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:26:44,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:26:44,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:26:44,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:26:44,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:26:44,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:26:44,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:26:44,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:26:44,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:26:44,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:26:44,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:26:44,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:26:44,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:26:44,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:26:44,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:26:44,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:26:44,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:26:44,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:26:44,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:26:44,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:26:44,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:26:44,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:26:44,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:26:44,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:26:44,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:26:44,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:26:44,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:26:44,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:26:44,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:26:44,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:26:44,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:26:44,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:26:44,985 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:26:44,986 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:26:44,986 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:26:44,986 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:26:44,987 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:26:44,987 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:26:44,988 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:26:44,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:26:44,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:26:44,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:26:44,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:26:44,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:26:44,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:26:44,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:26:44,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:26:44,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:26:44,990 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:26:44,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:26:44,991 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:26:44,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:26:44,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:26:44,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:26:44,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:26:44,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:26:44,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:26:44,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:26:44,994 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:26:44,994 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_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 [2021-10-28 23:26:45,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:26:45,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:26:45,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:26:45,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:26:45,253 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:26:45,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/reducercommutativity/sep05-1.i [2021-10-28 23:26:45,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/data/d2b0f4109/a95db306693649f991e660ac1f62da01/FLAGb64c666f0 [2021-10-28 23:26:45,787 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:26:45,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/sv-benchmarks/c/reducercommutativity/sep05-1.i [2021-10-28 23:26:45,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/data/d2b0f4109/a95db306693649f991e660ac1f62da01/FLAGb64c666f0 [2021-10-28 23:26:46,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/data/d2b0f4109/a95db306693649f991e660ac1f62da01 [2021-10-28 23:26:46,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:26:46,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:26:46,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:26:46,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:26:46,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:26:46,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc1d9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46, skipping insertion in model container [2021-10-28 23:26:46,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:26:46,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:26:46,437 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_a6c9f7eb-e2cf-4425-a616-7977d630847e/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2021-10-28 23:26:46,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:26:46,447 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:26:46,470 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_a6c9f7eb-e2cf-4425-a616-7977d630847e/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2021-10-28 23:26:46,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:26:46,487 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:26:46,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46 WrapperNode [2021-10-28 23:26:46,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:26:46,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:26:46,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:26:46,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:26:46,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:26:46,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:26:46,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:26:46,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:26:46,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:26:46,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:26:46,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:26:46,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:26:46,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (1/1) ... [2021-10-28 23:26:46,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:46,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:46,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:46,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:26:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:26:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:26:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:26:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:26:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:26:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:26:46,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:26:47,097 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:26:47,098 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-28 23:26:47,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:26:47 BoogieIcfgContainer [2021-10-28 23:26:47,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:26:47,101 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:26:47,101 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:26:47,113 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:26:47,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:26:47,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:26:46" (1/3) ... [2021-10-28 23:26:47,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c20c92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:26:47, skipping insertion in model container [2021-10-28 23:26:47,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:26:47,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:26:46" (2/3) ... [2021-10-28 23:26:47,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c20c92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:26:47, skipping insertion in model container [2021-10-28 23:26:47,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:26:47,117 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:26:47" (3/3) ... [2021-10-28 23:26:47,121 INFO L389 chiAutomizerObserver]: Analyzing ICFG sep05-1.i [2021-10-28 23:26:47,168 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:26:47,168 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:26:47,168 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:26:47,168 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:26:47,168 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:26:47,168 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:26:47,169 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:26:47,169 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:26:47,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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 23:26:47,200 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2021-10-28 23:26:47,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:47,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:47,206 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:26:47,207 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:26:47,207 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:26:47,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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 23:26:47,210 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2021-10-28 23:26:47,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:47,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:47,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:26:47,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:26:47,216 INFO L791 eck$LassoCheckResult]: Stem: 19#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(10); 6#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 27#L37-3true [2021-10-28 23:26:47,217 INFO L793 eck$LassoCheckResult]: Loop: 27#L37-3true assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 18#L37-2true main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 27#L37-3true [2021-10-28 23:26:47,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:47,222 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 23:26:47,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:47,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724020736] [2021-10-28 23:26:47,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:47,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:47,321 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:47,357 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-28 23:26:47,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:47,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750426790] [2021-10-28 23:26:47,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:47,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:47,379 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:47,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:47,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:47,391 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-28 23:26:47,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:47,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621427252] [2021-10-28 23:26:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:47,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:47,439 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:47,490 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:48,113 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:26:48,114 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:26:48,114 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:26:48,114 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:26:48,114 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:26:48,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:48,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:26:48,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:26:48,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration1_Lasso [2021-10-28 23:26:48,115 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:26:48,116 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:26:48,169 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 23:26:48,374 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 23:26:48,377 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 23:26:48,379 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 23:26:48,389 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 23:26:48,393 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 23:26:48,395 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 23:26:48,399 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 23:26:48,402 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 23:26:48,405 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 23:26:48,407 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 23:26:48,412 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 23:26:48,416 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 23:26:48,419 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 23:26:48,421 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 23:26:48,423 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 23:26:48,427 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 23:26:48,429 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 23:26:48,432 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 23:26:48,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:26:48,767 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:26:48,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:48,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:48,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:48,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:26:48,780 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 23:26:48,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:48,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:48,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:48,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:48,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:48,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:48,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:48,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:48,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:48,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:48,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:48,862 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 23:26:48,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:48,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:48,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:48,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:48,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:48,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:48,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:48,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:26:48,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:48,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:48,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:48,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:48,910 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:48,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:26:48,923 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 23:26:48,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:48,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:48,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:48,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:48,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:48,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:48,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:48,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 23:26:48,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:48,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:48,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:48,987 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 23:26:48,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:26:48,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:48,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:48,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:48,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:49,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:49,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:49,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:49,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 23:26:49,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:49,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:49,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:49,069 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 23:26:49,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:26:49,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:49,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:49,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:49,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:49,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:49,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:49,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:49,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:49,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:49,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:49,137 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:49,144 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 23:26:49,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:49,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:49,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:49,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:49,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:49,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:49,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:26:49,182 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:26:49,211 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-28 23:26:49,211 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 23:26:49,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:49,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:49,214 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:49,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:26:49,229 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:26:49,254 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:26:49,254 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:26:49,255 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1) = -8*ULTIMATE.start_main_~i~1 + 9*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1 Supporting invariants [] [2021-10-28 23:26:49,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:49,314 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 23:26:49,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:49,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:26:49,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:49,410 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:26:49,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:49,467 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 23:26:49,494 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:26:49,496 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 23:26:49,621 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 75 states and 110 transitions. Complement of second has 8 states. [2021-10-28 23:26:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:26:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 23:26:49,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 73 transitions. [2021-10-28 23:26:49,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 73 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 23:26:49,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:26:49,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 73 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 23:26:49,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:26:49,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 73 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 23:26:49,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:26:49,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 110 transitions. [2021-10-28 23:26:49,646 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:49,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 22 states and 30 transitions. [2021-10-28 23:26:49,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-28 23:26:49,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 23:26:49,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2021-10-28 23:26:49,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:49,652 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-28 23:26:49,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2021-10-28 23:26:49,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-28 23:26:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 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 23:26:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2021-10-28 23:26:49,678 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-28 23:26:49,678 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-28 23:26:49,678 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:26:49,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2021-10-28 23:26:49,681 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:49,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:49,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:49,682 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:26:49,682 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:49,682 INFO L791 eck$LassoCheckResult]: Stem: 173#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(10); 174#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 182#L37-3 assume !(main_~i~1 < 5); 187#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 188#L18-3 [2021-10-28 23:26:49,683 INFO L793 eck$LassoCheckResult]: Loop: 188#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 191#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 189#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 188#L18-3 [2021-10-28 23:26:49,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:49,683 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-10-28 23:26:49,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:49,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777752718] [2021-10-28 23:26:49,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:49,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:49,775 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 23:26:49,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:49,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777752718] [2021-10-28 23:26:49,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777752718] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:49,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:49,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:26:49,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571446666] [2021-10-28 23:26:49,779 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:49,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:49,780 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 1 times [2021-10-28 23:26:49,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:49,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059997793] [2021-10-28 23:26:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:49,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:49,815 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:49,834 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:49,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:49,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:49,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:49,922 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 23:26:49,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:49,938 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2021-10-28 23:26:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:49,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-28 23:26:49,940 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:49,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2021-10-28 23:26:49,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 23:26:49,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 23:26:49,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2021-10-28 23:26:49,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:49,943 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-28 23:26:49,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2021-10-28 23:26:49,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-28 23:26:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 21 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2021-10-28 23:26:49,946 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-28 23:26:49,946 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-28 23:26:49,946 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:26:49,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2021-10-28 23:26:49,948 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:49,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:49,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:49,949 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:26:49,949 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:49,949 INFO L791 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 225#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 233#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 222#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 223#L37-3 assume !(main_~i~1 < 5); 238#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 239#L18-3 [2021-10-28 23:26:49,949 INFO L793 eck$LassoCheckResult]: Loop: 239#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 242#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 240#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 239#L18-3 [2021-10-28 23:26:49,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:49,950 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-10-28 23:26:49,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:49,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977479669] [2021-10-28 23:26:49,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:49,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:50,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:50,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977479669] [2021-10-28 23:26:50,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977479669] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:50,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273785892] [2021-10-28 23:26:50,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:50,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:50,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:50,020 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:50,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:26:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:50,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:26:50,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:50,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273785892] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:50,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:50,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-28 23:26:50,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610472844] [2021-10-28 23:26:50,134 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:50,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:50,134 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 2 times [2021-10-28 23:26:50,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:50,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107500628] [2021-10-28 23:26:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:50,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:50,150 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:50,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:50,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:50,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:26:50,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:26:50,225 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:50,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:50,249 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2021-10-28 23:26:50,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:26:50,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2021-10-28 23:26:50,253 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:50,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 32 transitions. [2021-10-28 23:26:50,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 23:26:50,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 23:26:50,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2021-10-28 23:26:50,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:50,255 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-28 23:26:50,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2021-10-28 23:26:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-10-28 23:26:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-10-28 23:26:50,260 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-28 23:26:50,260 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-28 23:26:50,260 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:26:50,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2021-10-28 23:26:50,263 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:50,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:50,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:50,264 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2021-10-28 23:26:50,264 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:50,264 INFO L791 eck$LassoCheckResult]: Stem: 294#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(10); 295#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 303#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 292#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 293#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 314#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 315#L37-3 assume !(main_~i~1 < 5); 308#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 309#L18-3 [2021-10-28 23:26:50,265 INFO L793 eck$LassoCheckResult]: Loop: 309#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 312#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 310#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 309#L18-3 [2021-10-28 23:26:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:50,265 INFO L85 PathProgramCache]: Analyzing trace with hash 265236367, now seen corresponding path program 2 times [2021-10-28 23:26:50,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:50,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108010928] [2021-10-28 23:26:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:50,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:50,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:50,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108010928] [2021-10-28 23:26:50,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108010928] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:50,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513698557] [2021-10-28 23:26:50,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:26:50,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:50,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:50,310 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:50,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 23:26:50,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 23:26:50,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:26:50,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:50,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:26:50,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:50,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513698557] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:50,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:50,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-28 23:26:50,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021632442] [2021-10-28 23:26:50,423 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:50,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:50,423 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 3 times [2021-10-28 23:26:50,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:50,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492635713] [2021-10-28 23:26:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:50,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:50,430 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:50,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:50,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:50,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:26:50,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:50,509 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:50,531 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2021-10-28 23:26:50,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:26:50,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-10-28 23:26:50,532 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:50,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2021-10-28 23:26:50,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 23:26:50,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 23:26:50,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2021-10-28 23:26:50,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:50,533 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-28 23:26:50,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2021-10-28 23:26:50,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2021-10-28 23:26:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-10-28 23:26:50,536 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-28 23:26:50,536 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-28 23:26:50,536 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:26:50,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2021-10-28 23:26:50,537 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:50,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:50,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:50,537 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1] [2021-10-28 23:26:50,537 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:50,538 INFO L791 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 376#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 384#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 373#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 374#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 395#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 398#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 397#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 396#L37-3 assume !(main_~i~1 < 5); 389#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 390#L18-3 [2021-10-28 23:26:50,538 INFO L793 eck$LassoCheckResult]: Loop: 390#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 393#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 391#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 390#L18-3 [2021-10-28 23:26:50,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:50,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1489134225, now seen corresponding path program 3 times [2021-10-28 23:26:50,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:50,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454027240] [2021-10-28 23:26:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:50,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:50,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:50,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454027240] [2021-10-28 23:26:50,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454027240] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:50,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125794265] [2021-10-28 23:26:50,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:26:50,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:50,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:50,582 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:50,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 23:26:50,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-28 23:26:50,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:50,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:26:50,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:50,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125794265] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:50,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:50,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-28 23:26:50,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174242805] [2021-10-28 23:26:50,704 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:50,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:50,705 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 4 times [2021-10-28 23:26:50,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:50,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374134171] [2021-10-28 23:26:50,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:50,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:50,711 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:50,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:50,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:50,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:26:50,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:26:50,775 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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 23:26:50,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:50,794 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2021-10-28 23:26:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:26:50,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2021-10-28 23:26:50,795 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:50,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 36 transitions. [2021-10-28 23:26:50,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 23:26:50,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 23:26:50,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2021-10-28 23:26:50,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:50,797 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-28 23:26:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2021-10-28 23:26:50,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-10-28 23:26:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 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 23:26:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2021-10-28 23:26:50,799 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-10-28 23:26:50,799 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-10-28 23:26:50,799 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 23:26:50,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2021-10-28 23:26:50,800 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:50,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:50,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:50,800 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-10-28 23:26:50,801 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:50,801 INFO L791 eck$LassoCheckResult]: Stem: 467#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(10); 468#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 476#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 487#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 488#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 465#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 466#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 492#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 491#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 490#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 489#L37-3 assume !(main_~i~1 < 5); 481#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 482#L18-3 [2021-10-28 23:26:50,801 INFO L793 eck$LassoCheckResult]: Loop: 482#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 485#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 483#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 482#L18-3 [2021-10-28 23:26:50,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:50,801 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 4 times [2021-10-28 23:26:50,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:50,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147855754] [2021-10-28 23:26:50,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:50,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:50,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:50,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147855754] [2021-10-28 23:26:50,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147855754] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:50,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608624094] [2021-10-28 23:26:50,858 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 23:26:50,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:50,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:50,861 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:50,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-28 23:26:50,927 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 23:26:50,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:50,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:26:50,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:50,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608624094] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:50,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:50,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-28 23:26:50,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890754335] [2021-10-28 23:26:50,981 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:50,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:50,981 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 5 times [2021-10-28 23:26:50,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:50,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880053177] [2021-10-28 23:26:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:50,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:50,988 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:50,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:51,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:51,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:26:51,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:26:51,068 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 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 23:26:51,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:51,091 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2021-10-28 23:26:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:26:51,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2021-10-28 23:26:51,092 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:51,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2021-10-28 23:26:51,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 23:26:51,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 23:26:51,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2021-10-28 23:26:51,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:51,094 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-28 23:26:51,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2021-10-28 23:26:51,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:26:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 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 23:26:51,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-10-28 23:26:51,096 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-28 23:26:51,096 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-28 23:26:51,097 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 23:26:51,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2021-10-28 23:26:51,097 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 23:26:51,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:51,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:51,098 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2021-10-28 23:26:51,098 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:51,098 INFO L791 eck$LassoCheckResult]: Stem: 569#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(10); 570#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 578#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 567#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 568#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 589#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 596#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 595#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 594#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 593#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 592#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 591#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 590#L37-3 assume !(main_~i~1 < 5); 583#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 584#L18-3 [2021-10-28 23:26:51,098 INFO L793 eck$LassoCheckResult]: Loop: 584#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 587#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 585#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 584#L18-3 [2021-10-28 23:26:51,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:51,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 5 times [2021-10-28 23:26:51,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:51,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134452745] [2021-10-28 23:26:51,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:51,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:51,112 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:51,131 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:51,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:51,132 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 6 times [2021-10-28 23:26:51,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:51,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749835103] [2021-10-28 23:26:51,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:51,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:51,137 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:51,143 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:51,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:51,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1638582855, now seen corresponding path program 1 times [2021-10-28 23:26:51,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:51,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363640073] [2021-10-28 23:26:51,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:51,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:51,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:51,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:52,737 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:26:52,737 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:26:52,737 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:26:52,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:26:52,738 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:26:52,738 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:52,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:26:52,738 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:26:52,738 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration7_Lasso [2021-10-28 23:26:52,738 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:26:52,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:26:52,749 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 23:26:52,752 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 23:26:52,754 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 23:26:52,758 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 23:26:52,760 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 23:26:52,762 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 23:26:52,764 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 23:26:52,768 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 23:26:52,770 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 23:26:52,772 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 23:26:52,775 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 23:26:52,777 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 23:26:52,780 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 23:26:52,783 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 23:26:52,785 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 23:26:52,787 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 23:26:52,789 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 23:26:52,792 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 23:26:53,025 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 23:26:53,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:26:53,028 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 23:26:53,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:26:53,032 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 23:26:53,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:26:53,036 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 23:26:53,038 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 23:26:53,365 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:26:53,365 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:26:53,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,371 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,382 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 23:26:53,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:53,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:53,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:53,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:26:53,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,426 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:26:53,431 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 23:26:53,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:53,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:53,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:53,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,469 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:26:53,470 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 23:26:53,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:53,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:53,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,547 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,559 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 23:26:53,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:26:53,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:53,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:53,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:53,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,595 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:26:53,600 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 23:26:53,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:53,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:53,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:53,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,632 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:26:53,634 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 23:26:53,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:53,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:53,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:53,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,679 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:26:53,683 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 23:26:53,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:53,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:53,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,765 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,776 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 23:26:53,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:53,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:53,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:53,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:26:53,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,846 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,848 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 23:26:53,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:53,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:53,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:53,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:26:53,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,903 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:26:53,905 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 23:26:53,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:53,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:53,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:53,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:53,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:53,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:53,979 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:53,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:26:53,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:53,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:53,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:53,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:53,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:53,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:53,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:54,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:26:54,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:54,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,025 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:26:54,026 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 23:26:54,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:54,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:54,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:54,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,063 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,064 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 23:26:54,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:26:54,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:54,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:54,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:54,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:54,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,094 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:26:54,096 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 23:26:54,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:54,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:54,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:54,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 23:26:54,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,125 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:26:54,126 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 23:26:54,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:54,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:54,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:54,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 23:26:54,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,155 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:26:54,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:26:54,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:54,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:54,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:54,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 23:26:54,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,213 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:26:54,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:26:54,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:54,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:54,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:54,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:54,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,264 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:26:54,266 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 23:26:54,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:54,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:54,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:54,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,301 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:26:54,302 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 23:26:54,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:54,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:54,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:54,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 23:26:54,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,334 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:26:54,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:26:54,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:26:54,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:26:54,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:26:54,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 23:26:54,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,364 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:26:54,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:26:54,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:54,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:54,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:26:54,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:54,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,425 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:26:54,426 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 23:26:54,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:26:54,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:26:54,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:26:54,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:26:54,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:26:54,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:26:54,464 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:26:54,496 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 23:26:54,496 INFO L444 ModelExtractionUtils]: 11 out of 25 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-10-28 23:26:54,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:26:54,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,502 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,503 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:26:54,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:26:54,524 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:26:54,524 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:26:54,524 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_sep_~x.base)_1, ULTIMATE.start_sep_~i~0) = 9*v_rep(select #length ULTIMATE.start_sep_~x.base)_1 - 8*ULTIMATE.start_sep_~i~0 Supporting invariants [] [2021-10-28 23:26:54,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:54,576 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-28 23:26:54,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:54,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:26:54,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:54,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:26:54,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:54,695 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 23:26:54,695 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:26:54,696 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:54,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 46 transitions. Complement of second has 7 states. [2021-10-28 23:26:54,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:26:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 23:26:54,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 23:26:54,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:26:54,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 17 letters. Loop has 3 letters. [2021-10-28 23:26:54,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:26:54,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-28 23:26:54,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:26:54,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2021-10-28 23:26:54,726 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:54,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 31 states and 39 transitions. [2021-10-28 23:26:54,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 23:26:54,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 23:26:54,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2021-10-28 23:26:54,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:54,727 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2021-10-28 23:26:54,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2021-10-28 23:26:54,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-28 23:26:54,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:54,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2021-10-28 23:26:54,730 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2021-10-28 23:26:54,730 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2021-10-28 23:26:54,731 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 23:26:54,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2021-10-28 23:26:54,731 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:54,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:54,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:54,732 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:54,732 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:54,733 INFO L791 eck$LassoCheckResult]: Stem: 753#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(10); 754#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 762#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 751#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 752#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 774#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 781#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 780#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 779#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 778#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 777#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 776#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 775#L37-3 assume !(main_~i~1 < 5); 767#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 768#L18-3 assume !(sep_~i~0 < 5); 771#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 755#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 756#L18-8 [2021-10-28 23:26:54,733 INFO L793 eck$LassoCheckResult]: Loop: 756#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 766#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 773#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 756#L18-8 [2021-10-28 23:26:54,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:54,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581187, now seen corresponding path program 1 times [2021-10-28 23:26:54,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:54,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988281232] [2021-10-28 23:26:54,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:54,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-28 23:26:54,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:54,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988281232] [2021-10-28 23:26:54,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988281232] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:54,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:54,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:26:54,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157642974] [2021-10-28 23:26:54,789 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:54,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:54,789 INFO L85 PathProgramCache]: Analyzing trace with hash 74576, now seen corresponding path program 1 times [2021-10-28 23:26:54,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:54,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865504369] [2021-10-28 23:26:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:54,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:54,795 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:54,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:54,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:54,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:54,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:54,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:54,853 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:54,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:54,875 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-10-28 23:26:54,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:54,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-10-28 23:26:54,877 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:54,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-10-28 23:26:54,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 23:26:54,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 23:26:54,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-10-28 23:26:54,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:54,881 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-10-28 23:26:54,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-10-28 23:26:54,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2021-10-28 23:26:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2021-10-28 23:26:54,893 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-28 23:26:54,893 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-28 23:26:54,893 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 23:26:54,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2021-10-28 23:26:54,895 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:54,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:54,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:54,896 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:54,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:54,897 INFO L791 eck$LassoCheckResult]: Stem: 829#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(10); 830#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 838#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 827#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 828#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 851#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 858#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 857#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 856#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 855#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 854#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 853#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 852#L37-3 assume !(main_~i~1 < 5); 843#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 844#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 847#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 845#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 846#L18-3 assume !(sep_~i~0 < 5); 848#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 831#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 832#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 841#L20-2 [2021-10-28 23:26:54,897 INFO L793 eck$LassoCheckResult]: Loop: 841#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 849#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 850#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 841#L20-2 [2021-10-28 23:26:54,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:54,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1567455174, now seen corresponding path program 1 times [2021-10-28 23:26:54,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:54,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782410188] [2021-10-28 23:26:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:54,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-28 23:26:54,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:54,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782410188] [2021-10-28 23:26:54,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782410188] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:54,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219020323] [2021-10-28 23:26:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:54,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:54,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:54,977 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:54,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-10-28 23:26:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:55,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:26:55,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-28 23:26:55,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219020323] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:55,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:55,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-28 23:26:55,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846719563] [2021-10-28 23:26:55,143 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:55,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:55,144 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 2 times [2021-10-28 23:26:55,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:55,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482263223] [2021-10-28 23:26:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:55,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:55,154 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:55,163 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:55,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:55,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:26:55,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:26:55,221 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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 23:26:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:55,265 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2021-10-28 23:26:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:26:55,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2021-10-28 23:26:55,268 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:55,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 61 transitions. [2021-10-28 23:26:55,270 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 23:26:55,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 23:26:55,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 61 transitions. [2021-10-28 23:26:55,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:55,274 INFO L681 BuchiCegarLoop]: Abstraction has 48 states and 61 transitions. [2021-10-28 23:26:55,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 61 transitions. [2021-10-28 23:26:55,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2021-10-28 23:26:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 37 states have internal predecessors, (47), 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 23:26:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2021-10-28 23:26:55,285 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2021-10-28 23:26:55,286 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2021-10-28 23:26:55,286 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 23:26:55,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2021-10-28 23:26:55,286 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:55,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:55,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:55,288 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:55,288 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:55,288 INFO L791 eck$LassoCheckResult]: Stem: 977#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(10); 978#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 986#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 975#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 976#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1002#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1011#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1010#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1009#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1008#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1007#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1006#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1005#L37-3 assume !(main_~i~1 < 5); 992#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 993#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 997#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1003#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 998#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 999#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 994#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 995#L18-3 assume !(sep_~i~0 < 5); 1000#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 979#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 980#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1012#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1001#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 989#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 990#L20-2 [2021-10-28 23:26:55,288 INFO L793 eck$LassoCheckResult]: Loop: 990#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 996#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1004#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 990#L20-2 [2021-10-28 23:26:55,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:55,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1248848095, now seen corresponding path program 1 times [2021-10-28 23:26:55,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:55,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519045695] [2021-10-28 23:26:55,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:55,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:26:55,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:55,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519045695] [2021-10-28 23:26:55,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519045695] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:55,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243938712] [2021-10-28 23:26:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:55,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:55,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:55,365 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:55,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-10-28 23:26:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:55,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:26:55,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:26:55,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243938712] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:55,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:55,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-28 23:26:55,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937672833] [2021-10-28 23:26:55,538 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:55,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:55,538 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 3 times [2021-10-28 23:26:55,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:55,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801384204] [2021-10-28 23:26:55,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:55,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:55,547 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:55,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:55,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:55,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:26:55,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:55,606 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 23:26:55,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:55,652 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2021-10-28 23:26:55,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:26:55,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 73 transitions. [2021-10-28 23:26:55,654 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:55,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 73 transitions. [2021-10-28 23:26:55,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-28 23:26:55,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-28 23:26:55,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 73 transitions. [2021-10-28 23:26:55,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:55,656 INFO L681 BuchiCegarLoop]: Abstraction has 57 states and 73 transitions. [2021-10-28 23:26:55,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 73 transitions. [2021-10-28 23:26:55,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2021-10-28 23:26:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.25) internal successors, (55), 43 states have internal predecessors, (55), 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 23:26:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2021-10-28 23:26:55,664 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 55 transitions. [2021-10-28 23:26:55,665 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 55 transitions. [2021-10-28 23:26:55,665 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 23:26:55,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 55 transitions. [2021-10-28 23:26:55,665 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:55,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:55,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:55,666 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:55,666 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:55,667 INFO L791 eck$LassoCheckResult]: Stem: 1159#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(10); 1160#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1168#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1157#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1158#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1185#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1197#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1196#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1195#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1194#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1193#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1192#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1191#L37-3 assume !(main_~i~1 < 5); 1174#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1175#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1178#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1200#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1199#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1186#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1176#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1177#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1179#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1188#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1187#L18-3 assume !(sep_~i~0 < 5); 1180#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1161#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1162#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1198#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1183#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1184#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1181#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1182#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1171#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1172#L20-2 [2021-10-28 23:26:55,667 INFO L793 eck$LassoCheckResult]: Loop: 1172#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1190#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1189#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1172#L20-2 [2021-10-28 23:26:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:55,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1685621030, now seen corresponding path program 2 times [2021-10-28 23:26:55,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:55,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792241008] [2021-10-28 23:26:55,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:55,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-28 23:26:55,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:55,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792241008] [2021-10-28 23:26:55,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792241008] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:55,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453681644] [2021-10-28 23:26:55,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:26:55,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:55,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:55,741 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:55,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-10-28 23:26:55,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:26:55,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:55,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:26:55,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-28 23:26:55,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453681644] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:55,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:55,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-28 23:26:55,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021097903] [2021-10-28 23:26:55,947 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:55,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:55,948 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 4 times [2021-10-28 23:26:55,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:55,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214018334] [2021-10-28 23:26:55,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:55,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:55,957 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:55,963 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:56,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:56,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:26:56,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:26:56,025 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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 23:26:56,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:56,081 INFO L93 Difference]: Finished difference Result 66 states and 85 transitions. [2021-10-28 23:26:56,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:26:56,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 85 transitions. [2021-10-28 23:26:56,082 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:56,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 66 states and 85 transitions. [2021-10-28 23:26:56,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-10-28 23:26:56,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-28 23:26:56,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 85 transitions. [2021-10-28 23:26:56,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:56,084 INFO L681 BuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2021-10-28 23:26:56,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 85 transitions. [2021-10-28 23:26:56,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 50. [2021-10-28 23:26:56,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.26) internal successors, (63), 49 states have internal predecessors, (63), 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 23:26:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2021-10-28 23:26:56,087 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 63 transitions. [2021-10-28 23:26:56,087 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 63 transitions. [2021-10-28 23:26:56,087 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 23:26:56,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 63 transitions. [2021-10-28 23:26:56,088 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:56,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:56,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:56,089 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:56,089 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:56,090 INFO L791 eck$LassoCheckResult]: Stem: 1375#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(10); 1376#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1384#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1373#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1374#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1399#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1412#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1411#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1410#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1409#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1408#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1407#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1406#L37-3 assume !(main_~i~1 < 5); 1390#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1391#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1394#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1392#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1393#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1395#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1422#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1421#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1420#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1419#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1418#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1401#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1402#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1400#L18-3 assume !(sep_~i~0 < 5); 1396#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1377#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1378#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1397#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1398#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1387#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1388#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1417#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1416#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1415#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1414#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1413#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1404#L20-2 [2021-10-28 23:26:56,090 INFO L793 eck$LassoCheckResult]: Loop: 1404#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1405#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1403#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1404#L20-2 [2021-10-28 23:26:56,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:56,090 INFO L85 PathProgramCache]: Analyzing trace with hash -534676351, now seen corresponding path program 3 times [2021-10-28 23:26:56,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:56,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216554159] [2021-10-28 23:26:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:56,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-28 23:26:56,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:56,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216554159] [2021-10-28 23:26:56,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216554159] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:56,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125422478] [2021-10-28 23:26:56,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:26:56,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:56,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:56,149 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:56,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-10-28 23:26:56,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-28 23:26:56,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:26:56,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:26:56,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-28 23:26:56,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125422478] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:56,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:56,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-28 23:26:56,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512470992] [2021-10-28 23:26:56,470 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:26:56,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:56,471 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 5 times [2021-10-28 23:26:56,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:56,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647593783] [2021-10-28 23:26:56,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:56,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:56,477 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:56,482 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:56,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:56,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:26:56,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:26:56,529 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:56,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:56,599 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2021-10-28 23:26:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:26:56,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 88 transitions. [2021-10-28 23:26:56,601 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:56,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 88 transitions. [2021-10-28 23:26:56,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-28 23:26:56,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-28 23:26:56,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 88 transitions. [2021-10-28 23:26:56,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:56,603 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2021-10-28 23:26:56,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 88 transitions. [2021-10-28 23:26:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 56. [2021-10-28 23:26:56,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 55 states have internal predecessors, (71), 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 23:26:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2021-10-28 23:26:56,616 INFO L704 BuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2021-10-28 23:26:56,617 INFO L587 BuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2021-10-28 23:26:56,617 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 23:26:56,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 71 transitions. [2021-10-28 23:26:56,617 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:26:56,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:56,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:56,620 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:56,621 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:26:56,622 INFO L791 eck$LassoCheckResult]: Stem: 1619#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(10); 1620#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1628#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1617#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1618#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1643#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1672#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1671#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1670#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1669#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1668#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1667#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1666#L37-3 assume !(main_~i~1 < 5); 1634#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1635#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1638#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1636#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1637#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1639#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1663#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1661#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1659#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1657#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1655#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1653#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1651#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1650#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1645#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1646#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1644#L18-3 assume !(sep_~i~0 < 5); 1640#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1621#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1622#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1641#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1642#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1631#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1632#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1665#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1664#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1662#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1660#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1658#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1656#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1654#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1652#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1648#L20-2 [2021-10-28 23:26:56,624 INFO L793 eck$LassoCheckResult]: Loop: 1648#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1649#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1647#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1648#L20-2 [2021-10-28 23:26:56,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:56,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1616244090, now seen corresponding path program 4 times [2021-10-28 23:26:56,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:56,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142595325] [2021-10-28 23:26:56,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:56,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:56,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:56,884 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:56,885 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 6 times [2021-10-28 23:26:56,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:56,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825709979] [2021-10-28 23:26:56,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:56,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:56,891 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:56,895 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:56,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:56,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1350622481, now seen corresponding path program 1 times [2021-10-28 23:26:56,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:56,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707018918] [2021-10-28 23:26:56,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:56,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-28 23:26:56,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:56,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707018918] [2021-10-28 23:26:56,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707018918] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:56,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152535646] [2021-10-28 23:26:56,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:56,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:56,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:56,973 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:56,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-10-28 23:26:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:57,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:26:57,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-28 23:26:57,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152535646] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:57,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:26:57,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-10-28 23:26:57,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064320785] [2021-10-28 23:26:57,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:57,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:26:57,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:26:57,288 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. cyclomatic complexity: 20 Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:57,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:57,365 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2021-10-28 23:26:57,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:26:57,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 85 transitions. [2021-10-28 23:26:57,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:26:57,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 52 states and 63 transitions. [2021-10-28 23:26:57,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-28 23:26:57,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-28 23:26:57,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2021-10-28 23:26:57,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:26:57,368 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-10-28 23:26:57,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2021-10-28 23:26:57,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-28 23:26:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 51 states have internal predecessors, (63), 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 23:26:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2021-10-28 23:26:57,371 INFO L704 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-10-28 23:26:57,371 INFO L587 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-10-28 23:26:57,371 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 23:26:57,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 63 transitions. [2021-10-28 23:26:57,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:26:57,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:26:57,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:26:57,375 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:57,375 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:26:57,382 INFO L791 eck$LassoCheckResult]: Stem: 1899#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(10); 1900#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1906#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1897#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1898#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1917#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1932#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1930#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1928#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1926#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1924#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1921#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1920#L37-3 assume !(main_~i~1 < 5); 1909#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1910#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1948#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1911#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1912#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1913#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1918#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1947#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1946#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1945#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1944#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1943#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1942#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1941#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1940#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1939#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1938#L18-3 assume !(sep_~i~0 < 5); 1914#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1901#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1902#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1907#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1915#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1916#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1937#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1936#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1935#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1934#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1933#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1931#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1929#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1927#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1925#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1923#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1922#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1919#L18-8 assume !(sep_~i~0 < 5); 1908#L18-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1903#L25-1 main_#t~ret12 := sep_#res;main_~ret2~0 := main_#t~ret12;havoc main_#t~ret12;call main_#t~mem13 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem13;havoc main_#t~mem13;main_~i~2 := 0; 1904#L46-3 [2021-10-28 23:26:57,382 INFO L793 eck$LassoCheckResult]: Loop: 1904#L46-3 assume !!(main_~i~2 < 4);call main_#t~mem15 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~2), 4);call write~int(main_#t~mem15, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~2, 4);havoc main_#t~mem15; 1905#L46-2 main_#t~post14 := main_~i~2;main_~i~2 := 1 + main_#t~post14;havoc main_#t~post14; 1904#L46-3 [2021-10-28 23:26:57,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:57,383 INFO L85 PathProgramCache]: Analyzing trace with hash -866233935, now seen corresponding path program 1 times [2021-10-28 23:26:57,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:57,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835235043] [2021-10-28 23:26:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:57,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:57,501 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:57,678 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:57,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:57,679 INFO L85 PathProgramCache]: Analyzing trace with hash 3075, now seen corresponding path program 1 times [2021-10-28 23:26:57,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:57,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341098585] [2021-10-28 23:26:57,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:57,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:57,684 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:57,687 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:26:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash 772846003, now seen corresponding path program 1 times [2021-10-28 23:26:57,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:57,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914674840] [2021-10-28 23:26:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:57,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:57,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:26:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:26:57,873 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:27:03,146 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:27:03,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:27:03,146 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:27:03,146 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:27:03,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:27:03,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:03,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:27:03,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:27:03,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration14_Lasso [2021-10-28 23:27:03,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:27:03,147 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:27:03,151 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 23:27:03,153 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 23:27:03,155 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 23:27:03,157 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 23:27:03,160 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 23:27:03,162 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 23:27:03,168 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 23:27:03,171 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 23:27:03,174 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 23:27:03,176 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 23:27:03,178 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 23:27:03,180 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 23:27:03,182 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 23:27:03,184 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 23:27:03,186 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 23:27:03,189 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 23:27:03,191 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 23:27:03,192 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 23:27:03,194 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 23:27:03,928 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 23:27:03,930 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 23:27:03,932 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 23:27:04,485 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:27:04,489 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:27:04,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:04,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:04,497 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:04,503 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 23:27:04,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:04,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:04,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:04,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:04,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:04,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:04,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:04,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 23:27:04,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:04,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:04,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:04,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:04,561 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:04,563 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 23:27:04,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:04,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:04,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:04,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:04,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:04,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:04,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:04,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 23:27:04,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:04,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:04,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:04,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:04,624 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:04,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:27:04,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:04,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:04,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:04,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:04,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:04,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:04,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:04,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 23:27:04,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:04,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:04,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:04,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:04,697 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:04,700 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 23:27:04,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:04,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:04,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:04,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:04,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:04,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:04,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 23:27:04,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:04,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:04,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:04,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:04,762 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:04,764 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 23:27:04,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:04,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:04,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:04,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:04,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:04,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:04,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:04,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 23:27:04,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:04,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:04,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:04,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:04,827 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:04,833 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 23:27:04,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:04,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:04,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:04,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:04,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:04,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:04,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 23:27:04,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:04,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:04,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:04,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:04,917 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:04,919 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 23:27:04,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:04,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:04,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:04,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:04,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:04,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:04,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:04,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 23:27:04,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:04,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:04,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:04,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:04,981 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:04,983 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 23:27:04,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:04,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:04,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:04,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:04,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:04,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:04,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 23:27:05,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,046 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,048 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 23:27:05,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:05,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:05,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 23:27:05,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,110 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,112 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 23:27:05,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 23:27:05,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,184 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,186 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 23:27:05,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 23:27:05,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,243 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,245 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 23:27:05,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 23:27:05,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,297 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,299 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 23:27:05,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 23:27:05,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,354 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,356 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 23:27:05,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 23:27:05,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,394 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 23:27:05,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:27:05,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:05,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:05,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 23:27:05,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,442 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 23:27:05,444 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 23:27:05,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,478 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 23:27:05,479 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 23:27:05,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 23:27:05,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,508 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 23:27:05,509 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 23:27:05,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 23:27:05,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,559 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 23:27:05,560 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 23:27:05,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:05,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:05,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,617 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 23:27:05,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:27:05,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:05,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:05,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,693 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 23:27:05,695 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 23:27:05,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:05,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:05,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,729 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 23:27:05,730 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 23:27:05,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,764 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 23:27:05,777 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 23:27:05,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 23:27:05,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,811 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 23:27:05,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:27:05,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:05,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:05,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 23:27:05,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,845 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 23:27:05,848 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 23:27:05,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:05,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:05,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,880 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 23:27:05,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:27:05,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:05,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:05,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:05,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:05,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:05,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:05,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:05,954 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:05,957 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 23:27:05,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:05,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:05,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:05,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:05,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:05,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:05,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 23:27:05,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:06,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:06,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:06,022 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:06,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 23:27:06,024 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 23:27:06,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:06,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:06,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:06,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:06,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:06,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:06,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:06,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-28 23:27:06,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:06,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:06,095 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:06,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 23:27:06,096 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 23:27:06,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:06,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:06,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:06,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:06,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:06,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:06,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:06,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:06,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:06,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:06,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:06,134 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:06,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 23:27:06,136 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 23:27:06,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:06,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:27:06,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:06,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:06,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:06,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:27:06,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:27:06,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:06,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:06,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:06,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:06,167 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:06,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 23:27:06,168 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 23:27:06,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:06,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:06,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:06,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:06,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:06,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:06,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:06,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 23:27:06,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:06,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:06,211 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:06,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 23:27:06,213 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 23:27:06,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:06,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:06,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:06,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:06,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:06,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:06,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:06,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-28 23:27:06,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:06,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:06,245 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:06,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 23:27:06,246 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 23:27:06,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:06,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:06,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:06,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:06,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:06,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:06,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:27:06,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:06,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:06,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:06,318 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:06,320 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 23:27:06,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:27:06,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:27:06,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:27:06,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:27:06,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 23:27:06,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:27:06,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:27:06,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:27:06,391 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 23:27:06,391 INFO L444 ModelExtractionUtils]: 4 out of 28 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-28 23:27:06,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:27:06,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:27:06,392 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:27:06,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 23:27:06,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:27:06,401 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:27:06,401 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:27:06,401 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2) = -2*ULTIMATE.start_main_~i~2 + 7 Supporting invariants [] [2021-10-28 23:27:06,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:06,639 INFO L297 tatePredicateManager]: 48 out of 48 supporting invariants were superfluous and have been removed [2021-10-28 23:27:06,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:06,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:27:06,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:06,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:27:06,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:06,866 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 23:27:06,866 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:27:06,867 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:27:06,875 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 66 transitions. Complement of second has 4 states. [2021-10-28 23:27:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:27:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:27:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2021-10-28 23:27:06,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 2 letters. [2021-10-28 23:27:06,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:27:06,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 52 letters. Loop has 2 letters. [2021-10-28 23:27:06,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:27:06,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 4 letters. [2021-10-28 23:27:06,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:27:06,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2021-10-28 23:27:06,879 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:27:06,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2021-10-28 23:27:06,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:27:06,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:27:06,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:27:06,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:27:06,880 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:27:06,880 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:27:06,880 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:27:06,881 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 23:27:06,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:27:06,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:27:06,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:27:06,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:27:06 BoogieIcfgContainer [2021-10-28 23:27:06,887 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:27:06,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:27:06,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:27:06,888 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:27:06,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:26:47" (3/4) ... [2021-10-28 23:27:06,892 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:27:06,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:27:06,893 INFO L168 Benchmark]: Toolchain (without parser) took 20691.92 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 69.4 MB in the beginning and 76.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 79.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:06,894 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory is still 54.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:27:06,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.98 ms. Allocated memory is still 100.7 MB. Free memory was 69.2 MB in the beginning and 75.8 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:06,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.70 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 74.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:06,895 INFO L168 Benchmark]: Boogie Preprocessor took 30.71 ms. Allocated memory is still 100.7 MB. Free memory was 74.0 MB in the beginning and 72.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:06,895 INFO L168 Benchmark]: RCFGBuilder took 532.83 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 60.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:06,896 INFO L168 Benchmark]: BuchiAutomizer took 19786.21 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 60.1 MB in the beginning and 76.4 MB in the end (delta: -16.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:06,896 INFO L168 Benchmark]: Witness Printer took 4.09 ms. Allocated memory is still 188.7 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:27:06,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory is still 54.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.98 ms. Allocated memory is still 100.7 MB. Free memory was 69.2 MB in the beginning and 75.8 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.70 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 74.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.71 ms. Allocated memory is still 100.7 MB. Free memory was 74.0 MB in the beginning and 72.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 532.83 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 60.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 19786.21 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 60.1 MB in the beginning and 76.4 MB in the end (delta: -16.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.09 ms. Allocated memory is still 188.7 MB. Free memory is still 76.4 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 14 terminating modules (11 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 9 * unknown-#length-unknown[x] + -8 * i and consists of 5 locations. One deterministic module has affine ranking function -8 * i + 9 * unknown-#length-unknown[x] and consists of 4 locations. One deterministic module has affine ranking function 7 + -2 * i and consists of 3 locations. 11 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.7s and 15 iterations. TraceHistogramMax:5. Analysis of lassos took 18.3s. Construction of modules took 0.3s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 14. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 63 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 56 states and ocurred in iteration 12. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 334 SDtfs, 332 SDslu, 505 SDs, 0 SdLazy, 319 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU10 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital260 mio100 ax100 hnf100 lsp93 ukn52 mio100 lsp44 div100 bol100 ite100 ukn100 eq162 hnf91 smp93 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:27:06,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:07,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:07,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:07,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:07,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:07,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2021-10-28 23:27:08,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-28 23:27:08,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-10-28 23:27:08,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-28 23:27:08,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-28 23:27:08,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c9f7eb-e2cf-4425-a616-7977d630847e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...