./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt --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 64bit --witnessprinter.graph.data.programhash 10c50c605d9fb7cd886e3d668ba568a2b619230b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:59:58,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:59:58,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:59:58,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:59:58,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:59:58,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:59:58,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:59:58,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:59:58,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:59:58,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:59:58,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:59:58,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:59:58,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:59:58,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:59:58,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:59:58,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:59:58,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:59:58,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:59:58,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:59:58,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:59:58,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:59:58,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:59:58,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:59:58,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:59:58,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:59:58,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:59:58,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:59:58,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:59:58,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:59:58,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:59:58,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:59:58,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:59:58,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:59:58,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:59:58,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:59:58,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:59:58,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:59:58,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:59:58,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:59:58,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:59:58,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:59:58,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:59:58,897 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:59:58,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:59:58,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:59:58,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:59:58,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:59:58,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:59:58,908 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:59:58,908 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:59:58,909 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:59:58,909 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:59:58,910 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:59:58,911 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:59:58,911 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:59:58,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:59:58,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:59:58,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:59:58,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:59:58,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:59:58,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:59:58,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:59:58,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:59:58,914 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:59:58,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:59:58,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:59:58,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:59:58,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:59:58,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:59:58,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:59:58,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:59:58,920 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:59:58,920 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_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c50c605d9fb7cd886e3d668ba568a2b619230b [2021-10-13 00:59:59,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:59:59,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:59:59,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:59:59,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:59:59,324 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:59:59,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2021-10-13 00:59:59,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/data/441ecbd95/9d5b43ff252947a8bec241688925f758/FLAG628576d1b [2021-10-13 01:00:00,041 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:00:00,042 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2021-10-13 01:00:00,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/data/441ecbd95/9d5b43ff252947a8bec241688925f758/FLAG628576d1b [2021-10-13 01:00:00,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/data/441ecbd95/9d5b43ff252947a8bec241688925f758 [2021-10-13 01:00:00,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:00:00,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:00:00,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:00:00,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:00:00,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:00:00,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:00,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5c4169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00, skipping insertion in model container [2021-10-13 01:00:00,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:00,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:00:00,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:00:00,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:00:00,826 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:00:00,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:00:00,909 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:00:00,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00 WrapperNode [2021-10-13 01:00:00,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:00:00,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:00:00,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:00:00,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:00:00,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:00,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:00,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:00:00,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:00:00,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:00:00,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:00:01,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:01,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:01,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:01,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:01,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:01,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:01,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:01,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:00:01,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:00:01,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:00:01,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:00:01,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (1/1) ... [2021-10-13 01:00:01,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:01,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:01,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:01,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:00:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:00:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:00:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:00:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:00:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:00:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:00:01,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:00:01,429 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 01:00:01,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:01 BoogieIcfgContainer [2021-10-13 01:00:01,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:00:01,433 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:00:01,433 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:00:01,438 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:00:01,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:01,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:00:00" (1/3) ... [2021-10-13 01:00:01,441 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ecccc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:00:01, skipping insertion in model container [2021-10-13 01:00:01,441 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:01,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:00:00" (2/3) ... [2021-10-13 01:00:01,442 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ecccc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:00:01, skipping insertion in model container [2021-10-13 01:00:01,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:00:01,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:01" (3/3) ... [2021-10-13 01:00:01,444 INFO L389 chiAutomizerObserver]: Analyzing ICFG array01-alloca-1.i [2021-10-13 01:00:01,500 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:00:01,501 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:00:01,501 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:00:01,501 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:00:01,501 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:00:01,502 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:00:01,502 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:00:01,502 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:00:01,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) [2021-10-13 01:00:01,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 01:00:01,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:01,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:01,552 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 01:00:01,552 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:00:01,552 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:00:01,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) [2021-10-13 01:00:01,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 01:00:01,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:01,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:01,572 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 01:00:01,572 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:00:01,581 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 5#L561true assume !(main_~array_size~0 < 1); 8#L561-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 7#L551-3true [2021-10-13 01:00:01,582 INFO L793 eck$LassoCheckResult]: Loop: 7#L551-3true assume !!(test_fun_~i~0 < test_fun_~N); 6#L552-3true assume !true; 12#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 7#L551-3true [2021-10-13 01:00:01,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:01,599 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-13 01:00:01,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:01,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556855251] [2021-10-13 01:00:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:01,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:01,748 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:01,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:01,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:01,824 INFO L82 PathProgramCache]: Analyzing trace with hash 47058, now seen corresponding path program 1 times [2021-10-13 01:00:01,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:01,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104588627] [2021-10-13 01:00:01,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:01,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:00:01,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:00:01,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104588627] [2021-10-13 01:00:01,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104588627] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:00:01,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:00:01,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:00:01,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430697772] [2021-10-13 01:00:01,952 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:00:01,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:00:01,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:00:01,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:00:01,974 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 01:00:02,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:00:02,000 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-10-13 01:00:02,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:00:02,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2021-10-13 01:00:02,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 01:00:02,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2021-10-13 01:00:02,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-13 01:00:02,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-13 01:00:02,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-10-13 01:00:02,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:00:02,010 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-10-13 01:00:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-10-13 01:00:02,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-10-13 01:00:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2021-10-13 01:00:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-10-13 01:00:02,042 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-10-13 01:00:02,043 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-10-13 01:00:02,043 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:00:02,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-10-13 01:00:02,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 01:00:02,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:02,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:02,045 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 01:00:02,045 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 01:00:02,046 INFO L791 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 35#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 36#L561 assume !(main_~array_size~0 < 1); 37#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 41#L551-3 [2021-10-13 01:00:02,046 INFO L793 eck$LassoCheckResult]: Loop: 41#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 38#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 39#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 40#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 41#L551-3 [2021-10-13 01:00:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:02,047 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-10-13 01:00:02,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:02,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206022881] [2021-10-13 01:00:02,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:02,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:02,064 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:02,082 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:02,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:02,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1451916, now seen corresponding path program 1 times [2021-10-13 01:00:02,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:02,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455352112] [2021-10-13 01:00:02,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:02,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:02,095 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:02,107 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:02,108 INFO L82 PathProgramCache]: Analyzing trace with hash 176797040, now seen corresponding path program 1 times [2021-10-13 01:00:02,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:02,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868423630] [2021-10-13 01:00:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:02,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:02,136 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:02,164 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:02,727 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:00:02,727 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:00:02,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:00:02,736 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:00:02,736 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:00:02,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:02,737 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:00:02,737 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:00:02,737 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration2_Lasso [2021-10-13 01:00:02,737 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:00:02,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:00:02,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:02,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:03,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:03,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:03,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:03,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:03,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:03,409 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:00:03,415 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:00:03,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:03,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:03,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:03,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:03,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:03,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:03,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:03,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:03,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:00:03,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:03,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:03,499 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:00:03,574 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-13 01:00:03,574 INFO L444 ModelExtractionUtils]: 19 out of 34 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-13 01:00:03,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:03,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:03,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:03,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:00:03,584 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:00:03,606 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:00:03,606 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:00:03,607 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2021-10-13 01:00:03,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:03,670 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-13 01:00:03,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:03,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:00:03,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:03,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:00:03,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:00:03,859 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 [2021-10-13 01:00:03,862 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-13 01:00:03,911 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 13 states and 17 transitions. Complement of second has 4 states. [2021-10-13 01:00:03,912 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 [2021-10-13 01:00:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-13 01:00:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-10-13 01:00:03,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-13 01:00:03,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:03,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-13 01:00:03,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:03,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 8 letters. [2021-10-13 01:00:03,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:03,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2021-10-13 01:00:03,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 01:00:03,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 12 states and 16 transitions. [2021-10-13 01:00:03,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-13 01:00:03,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-13 01:00:03,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-10-13 01:00:03,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:00:03,928 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-13 01:00:03,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-10-13 01:00:03,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-10-13 01:00:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 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) [2021-10-13 01:00:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-10-13 01:00:03,932 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-13 01:00:03,932 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-13 01:00:03,932 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:00:03,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-10-13 01:00:03,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 01:00:03,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:03,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:03,935 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:00:03,935 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:00:03,935 INFO L791 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 116#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 117#L561 assume !(main_~array_size~0 < 1); 118#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 121#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 111#L552-3 [2021-10-13 01:00:03,936 INFO L793 eck$LassoCheckResult]: Loop: 111#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 112#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 111#L552-3 [2021-10-13 01:00:03,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:03,937 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2021-10-13 01:00:03,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:03,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785425339] [2021-10-13 01:00:03,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:03,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:03,974 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:03,994 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:03,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:03,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2021-10-13 01:00:03,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:03,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708696520] [2021-10-13 01:00:03,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:03,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:04,015 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:04,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:04,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:04,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2021-10-13 01:00:04,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:04,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518931073] [2021-10-13 01:00:04,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:04,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:04,075 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:04,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:04,491 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:00:04,492 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:00:04,492 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:00:04,494 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:00:04,494 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:00:04,494 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:04,494 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:00:04,495 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:00:04,495 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration3_Lasso [2021-10-13 01:00:04,495 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:00:04,495 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:00:04,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:04,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:05,088 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:00:05,088 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:00:05,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:05,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:05,094 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:05,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:00:05,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:05,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:05,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:05,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:05,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:05,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:05,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:05,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:05,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:05,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:05,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:05,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:05,186 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:05,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:05,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:05,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:05,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:05,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:05,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:05,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:05,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:05,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:00:05,227 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:00:05,229 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 01:00:05,230 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:00:05,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:05,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:05,235 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:05,251 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:00:05,252 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:00:05,252 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:00:05,252 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2021-10-13 01:00:05,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:00:05,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:05,306 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-13 01:00:05,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:05,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:00:05,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:05,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:00:05,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:00:05,388 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 [2021-10-13 01:00:05,389 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-13 01:00:05,419 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 20 states and 26 transitions. Complement of second has 7 states. [2021-10-13 01:00:05,419 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 [2021-10-13 01:00:05,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-13 01:00:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2021-10-13 01:00:05,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 01:00:05,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:05,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 01:00:05,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:05,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 01:00:05,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:05,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2021-10-13 01:00:05,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 01:00:05,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 19 transitions. [2021-10-13 01:00:05,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-13 01:00:05,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-13 01:00:05,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2021-10-13 01:00:05,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:00:05,431 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-13 01:00:05,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2021-10-13 01:00:05,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-13 01:00:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:00:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2021-10-13 01:00:05,437 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-10-13 01:00:05,437 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-10-13 01:00:05,437 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:00:05,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2021-10-13 01:00:05,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 01:00:05,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:00:05,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:00:05,439 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:00:05,439 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:00:05,440 INFO L791 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 204#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 205#L561 assume !(main_~array_size~0 < 1); 206#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 209#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 210#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 212#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 207#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 208#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 199#L552-3 [2021-10-13 01:00:05,440 INFO L793 eck$LassoCheckResult]: Loop: 199#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 200#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 199#L552-3 [2021-10-13 01:00:05,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:05,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1185740961, now seen corresponding path program 2 times [2021-10-13 01:00:05,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:05,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542496380] [2021-10-13 01:00:05,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:05,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:05,482 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:05,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:05,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:05,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2021-10-13 01:00:05,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:05,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089565078] [2021-10-13 01:00:05,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:05,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:05,524 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:05,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:05,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:05,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1330730790, now seen corresponding path program 1 times [2021-10-13 01:00:05,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:00:05,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197519045] [2021-10-13 01:00:05,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:00:05,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:00:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:05,549 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:00:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:00:05,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:00:05,984 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:00:05,984 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:00:05,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:00:05,984 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:00:05,984 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:00:05,985 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:05,985 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:00:05,985 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:00:05,985 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration4_Lasso [2021-10-13 01:00:05,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:00:05,985 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:00:05,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:05,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:05,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:00:06,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:06,595 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:00:06,595 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:00:06,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:06,596 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:06,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:06,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:06,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:06,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:06,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:06,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:06,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:06,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:06,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:00:06,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:06,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:06,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:06,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:06,675 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:06,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:06,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:06,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:06,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:06,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:06,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:06,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:06,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:00:06,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:06,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:06,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:06,769 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:06,776 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 [2021-10-13 01:00:06,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:06,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:06,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:06,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:06,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:06,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:06,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:00:06,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:06,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-13 01:00:06,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:06,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:06,848 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:06,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:00:06,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:06,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:06,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:06,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:06,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:06,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:06,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:06,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:06,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:06,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:06,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:06,912 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:06,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:00:06,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:06,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:06,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:06,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:06,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:06,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:06,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:06,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:06,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:06,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:06,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:06,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:06,954 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:06,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:06,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:00:06,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:06,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:06,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:06,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:06,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:06,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:06,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:07,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,051 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:00:07,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:07,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:07,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-13 01:00:07,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,116 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:00:07,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:07,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:07,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:07,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:00:07,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:07,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:07,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,266 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:00:07,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:07,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:07,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:07,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,308 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:00:07,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:07,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:07,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:07,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,348 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:00:07,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:07,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:07,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:07,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,388 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:00:07,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:07,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:07,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:07,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,432 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:00:07,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:07,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:07,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:07,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,480 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:00:07,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:07,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:07,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-10-13 01:00:07,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,528 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:00:07,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:07,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:07,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-13 01:00:07,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,607 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:00:07,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:07,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:07,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-13 01:00:07,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,654 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:00:07,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:07,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:07,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-13 01:00:07,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,722 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:00:07,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:00:07,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:00:07,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:00:07,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,832 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:00:07,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:00:07,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:00:07,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:00:07,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:00:07,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:00:07,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:00:07,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:00:07,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:00:07,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:00:07,873 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:00:07,873 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:00:07,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:00:07,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:00:07,875 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:00:07,877 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:00:07,877 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:00:07,877 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:00:07,877 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3 Supporting invariants [] [2021-10-13 01:00:07,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:00:07,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:00:07,935 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-13 01:00:07,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:07,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:00:07,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:08,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:00:08,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:00:08,040 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 [2021-10-13 01:00:08,040 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:00:08,067 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 22 transitions. Complement of second has 7 states. [2021-10-13 01:00:08,067 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 [2021-10-13 01:00:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:00:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2021-10-13 01:00:08,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-13 01:00:08,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:08,069 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:00:08,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:08,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:00:08,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:08,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:00:08,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:08,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 01:00:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:00:08,229 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 01:00:08,229 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:00:08,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 22 transitions. Complement of second has 7 states. [2021-10-13 01:00:08,253 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 [2021-10-13 01:00:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:00:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2021-10-13 01:00:08,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-13 01:00:08,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:08,254 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:00:08,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:00:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:08,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:00:08,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:00:08,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:00:08,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:00:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:00:08,350 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 01:00:08,351 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:00:08,382 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 26 transitions. Complement of second has 6 states. [2021-10-13 01:00:08,383 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 [2021-10-13 01:00:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:00:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-10-13 01:00:08,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-13 01:00:08,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:08,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-13 01:00:08,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:08,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-13 01:00:08,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:00:08,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2021-10-13 01:00:08,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:00:08,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-10-13 01:00:08,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:00:08,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:00:08,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:00:08,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:00:08,393 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:00:08,393 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:00:08,393 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:00:08,393 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:00:08,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:00:08,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:00:08,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:00:08,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:00:08 BoogieIcfgContainer [2021-10-13 01:00:08,401 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:00:08,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:00:08,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:00:08,402 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:00:08,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:00:01" (3/4) ... [2021-10-13 01:00:08,410 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:00:08,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:00:08,412 INFO L168 Benchmark]: Toolchain (without parser) took 8076.71 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 58.3 MB in the beginning and 82.8 MB in the end (delta: -24.5 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:00:08,413 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 67.0 MB in the beginning and 67.0 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:00:08,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.93 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 64.1 MB in the end (delta: -6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:00:08,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.74 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 62.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:00:08,424 INFO L168 Benchmark]: Boogie Preprocessor took 42.84 ms. Allocated memory is still 94.4 MB. Free memory was 62.4 MB in the beginning and 61.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:00:08,425 INFO L168 Benchmark]: RCFGBuilder took 393.50 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 51.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:00:08,425 INFO L168 Benchmark]: BuchiAutomizer took 6968.52 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 51.5 MB in the beginning and 83.9 MB in the end (delta: -32.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:00:08,426 INFO L168 Benchmark]: Witness Printer took 8.15 ms. Allocated memory is still 123.7 MB. Free memory was 83.9 MB in the beginning and 82.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:00:08,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 67.0 MB in the beginning and 67.0 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 578.93 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 64.1 MB in the end (delta: -6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.74 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 62.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.84 ms. Allocated memory is still 94.4 MB. Free memory was 62.4 MB in the beginning and 61.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 393.50 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 51.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6968.52 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 51.5 MB in the beginning and 83.9 MB in the end (delta: -32.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 8.15 ms. Allocated memory is still 123.7 MB. Free memory was 83.9 MB in the beginning and 82.8 MB in the end (delta: 1.1 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 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 23.3ms AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 49 SDtfs, 33 SDslu, 1 SDs, 0 SdLazy, 43 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital135 mio100 ax113 hnf99 lsp80 ukn79 mio100 lsp57 div100 bol100 ite100 ukn100 eq180 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 190ms VariablesStem: 10 VariablesLoop: 6 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! [2021-10-13 01:00:08,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf485f11-365e-4311-90fb-91674bebe3fe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...