./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ --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 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:30:03,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:30:03,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:30:03,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:30:03,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:30:03,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:30:03,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:30:03,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:30:03,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:30:03,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:30:03,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:30:03,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:30:03,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:30:03,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:30:03,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:30:03,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:30:03,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:30:03,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:30:03,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:30:03,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:30:03,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:30:03,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:30:03,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:30:03,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:30:03,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:30:03,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:30:03,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:30:03,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:30:03,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:30:03,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:30:03,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:30:03,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:30:03,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:30:03,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:30:03,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:30:03,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:30:03,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:30:03,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:30:03,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:30:03,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:30:03,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:30:03,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-10-17 10:30:03,198 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:30:03,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:30:03,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:30:03,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:30:03,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:30:03,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:30:03,202 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:30:03,202 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:30:03,202 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:30:03,203 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:30:03,203 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:30:03,203 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:30:03,204 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:30:03,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:30:03,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:30:03,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:30:03,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:30:03,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:30:03,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:30:03,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:30:03,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:30:03,206 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:30:03,206 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:30:03,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:30:03,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:30:03,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:30:03,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:30:03,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:30:03,208 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:30:03,209 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_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2022-10-17 10:30:03,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:30:03,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:30:03,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:30:03,469 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:30:03,472 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:30:03,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2022-10-17 10:30:03,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/data/2b68a275b/74688f44b750459ea0230e648f8afec9/FLAG0b2704932 [2022-10-17 10:30:04,032 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:30:04,032 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2022-10-17 10:30:04,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/data/2b68a275b/74688f44b750459ea0230e648f8afec9/FLAG0b2704932 [2022-10-17 10:30:04,418 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/data/2b68a275b/74688f44b750459ea0230e648f8afec9 [2022-10-17 10:30:04,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:30:04,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:30:04,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:04,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:30:04,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:30:04,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d25f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04, skipping insertion in model container [2022-10-17 10:30:04,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:30:04,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:30:04,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:04,616 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:30:04,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:04,666 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:30:04,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04 WrapperNode [2022-10-17 10:30:04,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:04,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:04,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:30:04,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:30:04,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,715 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-10-17 10:30:04,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:04,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:30:04,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:30:04,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:30:04,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:30:04,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:30:04,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:30:04,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:30:04,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:04,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:04,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:04,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:30:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:30:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:30:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2022-10-17 10:30:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2022-10-17 10:30:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:30:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:30:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:30:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:30:04,920 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:30:04,922 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:30:05,136 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:30:05,143 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:30:05,143 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:30:05,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:05 BoogieIcfgContainer [2022-10-17 10:30:05,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:30:05,147 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:30:05,147 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:30:05,151 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:30:05,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:05,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:30:04" (1/3) ... [2022-10-17 10:30:05,153 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ae32e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:30:05, skipping insertion in model container [2022-10-17 10:30:05,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:05,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (2/3) ... [2022-10-17 10:30:05,154 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ae32e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:30:05, skipping insertion in model container [2022-10-17 10:30:05,154 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:05,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:05" (3/3) ... [2022-10-17 10:30:05,156 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertionSort_recursive.i [2022-10-17 10:30:05,214 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:30:05,214 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:30:05,215 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:30:05,215 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:30:05,215 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:30:05,215 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:30:05,215 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:30:05,216 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:30:05,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:30:05,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-10-17 10:30:05,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:05,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:05,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:30:05,284 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:30:05,285 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:30:05,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:30:05,288 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-10-17 10:30:05,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:05,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:05,294 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:30:05,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:30:05,302 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 17#L28true assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 19#L33-3true [2022-10-17 10:30:05,304 INFO L750 eck$LassoCheckResult]: Loop: 19#L33-3true assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 7#L33-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19#L33-3true [2022-10-17 10:30:05,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:05,321 INFO L85 PathProgramCache]: Analyzing trace with hash 60643, now seen corresponding path program 1 times [2022-10-17 10:30:05,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:05,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168208900] [2022-10-17 10:30:05,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:05,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:05,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:05,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:05,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:05,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2022-10-17 10:30:05,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:05,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447355886] [2022-10-17 10:30:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:05,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:05,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:05,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:05,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:05,507 INFO L85 PathProgramCache]: Analyzing trace with hash 58279397, now seen corresponding path program 1 times [2022-10-17 10:30:05,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:05,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968716812] [2022-10-17 10:30:05,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:05,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:05,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:05,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:05,823 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:05,824 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:05,824 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:05,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:05,825 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:05,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:05,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:05,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:05,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration1_Lasso [2022-10-17 10:30:05,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:05,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:05,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:05,858 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:05,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:05,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:05,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:05,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:05,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:05,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:06,148 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:06,154 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:06,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:06,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:06,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:06,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:06,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:30:06,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:06,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:06,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:06,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:06,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:06,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:06,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:06,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:06,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-10-17 10:30:06,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:06,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:06,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:06,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:06,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:06,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:06,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:06,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:06,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:06,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:06,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:06,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:30:06,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:06,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:06,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:06,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:06,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:06,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:06,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:06,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:06,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:06,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:06,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:06,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:06,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:30:06,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:06,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:06,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:06,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:06,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:06,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:06,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:06,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:06,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:06,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:06,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:06,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:06,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:06,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:30:06,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:06,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:06,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:06,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:06,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:06,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:30:06,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:06,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:06,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:06,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:06,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:06,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:06,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:06,513 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:30:06,543 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-10-17 10:30:06,543 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-10-17 10:30:06,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:06,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:06,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:06,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:30:06,573 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:30:06,598 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:30:06,598 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:30:06,599 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-10-17 10:30:06,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:06,644 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-10-17 10:30:06,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:06,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:30:06,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:06,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:06,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:30:06,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:06,829 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:30:06,832 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:06,897 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 9 states. [2022-10-17 10:30:06,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-10-17 10:30:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:06,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2022-10-17 10:30:06,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 3 letters. Loop has 2 letters. [2022-10-17 10:30:06,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:06,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 2 letters. [2022-10-17 10:30:06,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:06,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 3 letters. Loop has 4 letters. [2022-10-17 10:30:06,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:06,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-10-17 10:30:06,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:06,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 15 states and 20 transitions. [2022-10-17 10:30:06,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-10-17 10:30:06,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-10-17 10:30:06,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-10-17 10:30:06,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:06,940 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-10-17 10:30:06,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-10-17 10:30:06,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-10-17 10:30:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-10-17 10:30:06,968 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-10-17 10:30:06,969 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-10-17 10:30:06,970 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:30:06,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-10-17 10:30:06,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:06,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:06,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:06,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:30:06,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:30:06,974 INFO L748 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 112#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 120#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 125#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 113#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 114#insertionSortENTRY [2022-10-17 10:30:06,975 INFO L750 eck$LassoCheckResult]: Loop: 114#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 121#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 117#L15-6 assume !true; 122#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 116#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 114#insertionSortENTRY [2022-10-17 10:30:06,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:06,979 INFO L85 PathProgramCache]: Analyzing trace with hash 58279346, now seen corresponding path program 1 times [2022-10-17 10:30:06,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:06,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397923689] [2022-10-17 10:30:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:06,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:07,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:07,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397923689] [2022-10-17 10:30:07,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397923689] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:07,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:07,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:30:07,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755851328] [2022-10-17 10:30:07,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:07,109 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:30:07,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:07,110 INFO L85 PathProgramCache]: Analyzing trace with hash 28740467, now seen corresponding path program 1 times [2022-10-17 10:30:07,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:07,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509677715] [2022-10-17 10:30:07,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:07,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:07,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:07,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509677715] [2022-10-17 10:30:07,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509677715] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:07,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:07,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:30:07,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552087586] [2022-10-17 10:30:07,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:07,127 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:30:07,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:07,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:30:07,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:30:07,132 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:07,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:07,137 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-10-17 10:30:07,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-10-17 10:30:07,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:07,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2022-10-17 10:30:07,139 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-10-17 10:30:07,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-10-17 10:30:07,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-10-17 10:30:07,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:07,140 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-10-17 10:30:07,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-10-17 10:30:07,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-10-17 10:30:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:07,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-10-17 10:30:07,142 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-10-17 10:30:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:30:07,143 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-10-17 10:30:07,143 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:30:07,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-10-17 10:30:07,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:07,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:07,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:07,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:30:07,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:07,145 INFO L748 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 148#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 156#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 161#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 149#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 150#insertionSortENTRY [2022-10-17 10:30:07,145 INFO L750 eck$LassoCheckResult]: Loop: 150#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 157#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 153#L15-6 #t~short4 := ~j~0 > 0; 158#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 159#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 160#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 152#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 150#insertionSortENTRY [2022-10-17 10:30:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:07,146 INFO L85 PathProgramCache]: Analyzing trace with hash 58279346, now seen corresponding path program 2 times [2022-10-17 10:30:07,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:07,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249773629] [2022-10-17 10:30:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:07,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:07,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:07,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249773629] [2022-10-17 10:30:07,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249773629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:07,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:07,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:30:07,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007797171] [2022-10-17 10:30:07,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:07,206 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:30:07,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:07,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476522, now seen corresponding path program 1 times [2022-10-17 10:30:07,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:07,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676548156] [2022-10-17 10:30:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:07,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:07,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:07,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:07,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:30:07,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:30:07,707 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:07,722 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2022-10-17 10:30:07,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-10-17 10:30:07,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:07,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2022-10-17 10:30:07,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-10-17 10:30:07,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-10-17 10:30:07,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-10-17 10:30:07,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:07,732 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-10-17 10:30:07,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-10-17 10:30:07,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-10-17 10:30:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2022-10-17 10:30:07,735 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-10-17 10:30:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:30:07,739 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-10-17 10:30:07,739 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:30:07,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2022-10-17 10:30:07,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:07,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:07,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:07,741 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:07,741 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:07,741 INFO L748 eck$LassoCheckResult]: Stem: 184#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 185#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 193#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 198#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 191#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 192#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 186#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 187#insertionSortENTRY [2022-10-17 10:30:07,741 INFO L750 eck$LassoCheckResult]: Loop: 187#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 194#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 190#L15-6 #t~short4 := ~j~0 > 0; 195#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 196#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 197#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 189#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 187#insertionSortENTRY [2022-10-17 10:30:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:07,742 INFO L85 PathProgramCache]: Analyzing trace with hash 171927092, now seen corresponding path program 1 times [2022-10-17 10:30:07,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:07,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963934429] [2022-10-17 10:30:07,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:07,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:07,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:07,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:07,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476522, now seen corresponding path program 2 times [2022-10-17 10:30:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:07,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371343206] [2022-10-17 10:30:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:07,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:07,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:07,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:07,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:07,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1744506729, now seen corresponding path program 1 times [2022-10-17 10:30:07,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:07,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278439351] [2022-10-17 10:30:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:07,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 10:30:07,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:07,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278439351] [2022-10-17 10:30:07,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278439351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:07,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:07,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:30:07,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556392789] [2022-10-17 10:30:07,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:08,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:08,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:08,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:08,410 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:08,496 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2022-10-17 10:30:08,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2022-10-17 10:30:08,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:08,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2022-10-17 10:30:08,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-10-17 10:30:08,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-10-17 10:30:08,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2022-10-17 10:30:08,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:08,508 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-10-17 10:30:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2022-10-17 10:30:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2022-10-17 10:30:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-10-17 10:30:08,511 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-10-17 10:30:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:30:08,514 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-10-17 10:30:08,514 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:30:08,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2022-10-17 10:30:08,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:08,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:08,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:08,516 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:08,516 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:08,516 INFO L748 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 247#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 253#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 245#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 246#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 240#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 241#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 254#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 255#L15-6 #t~short4 := ~j~0 > 0; 248#L15-1 assume !#t~short4; 249#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 250#L15-7 [2022-10-17 10:30:08,516 INFO L750 eck$LassoCheckResult]: Loop: 250#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 243#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 251#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 252#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 244#L15-6 #t~short4 := ~j~0 > 0; 257#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 256#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 250#L15-7 [2022-10-17 10:30:08,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:08,517 INFO L85 PathProgramCache]: Analyzing trace with hash -332541132, now seen corresponding path program 1 times [2022-10-17 10:30:08,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:08,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600949697] [2022-10-17 10:30:08,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:08,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:08,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:08,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:08,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:08,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1094947064, now seen corresponding path program 3 times [2022-10-17 10:30:08,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:08,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111795554] [2022-10-17 10:30:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:08,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:08,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:08,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:08,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2143759477, now seen corresponding path program 1 times [2022-10-17 10:30:08,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:08,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098691645] [2022-10-17 10:30:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:08,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:08,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098691645] [2022-10-17 10:30:08,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098691645] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:08,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652075591] [2022-10-17 10:30:08,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:08,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:08,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:08,840 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:08,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-17 10:30:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:08,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 10:30:08,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:09,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:09,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:30:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:09,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652075591] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:30:09,235 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:30:09,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2022-10-17 10:30:09,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455536055] [2022-10-17 10:30:09,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:30:09,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:09,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-17 10:30:09,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2022-10-17 10:30:09,867 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 18 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 13 states have internal predecessors, (34), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:10,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:10,005 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-10-17 10:30:10,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2022-10-17 10:30:10,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:10,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 23 states and 26 transitions. [2022-10-17 10:30:10,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-10-17 10:30:10,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-10-17 10:30:10,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2022-10-17 10:30:10,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:10,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-10-17 10:30:10,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2022-10-17 10:30:10,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-10-17 10:30:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-10-17 10:30:10,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-10-17 10:30:10,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-17 10:30:10,011 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-10-17 10:30:10,011 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:30:10,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2022-10-17 10:30:10,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:10,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:10,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:10,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:10,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:10,013 INFO L748 eck$LassoCheckResult]: Stem: 430#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 431#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 439#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 445#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 437#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 438#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 446#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 448#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 432#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 433#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 442#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 447#L15-6 #t~short4 := ~j~0 > 0; 443#L15-1 assume !#t~short4; 444#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 440#L15-7 [2022-10-17 10:30:10,014 INFO L750 eck$LassoCheckResult]: Loop: 440#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 435#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 441#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 451#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 436#L15-6 #t~short4 := ~j~0 > 0; 450#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 449#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 440#L15-7 [2022-10-17 10:30:10,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:10,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1063486350, now seen corresponding path program 2 times [2022-10-17 10:30:10,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:10,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079312662] [2022-10-17 10:30:10,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:10,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:10,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:10,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1094947064, now seen corresponding path program 4 times [2022-10-17 10:30:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:10,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84567379] [2022-10-17 10:30:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:10,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:10,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:10,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:10,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:10,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1119961463, now seen corresponding path program 2 times [2022-10-17 10:30:10,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:10,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427505917] [2022-10-17 10:30:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:10,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:10,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:10,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:11,381 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:11,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:11,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:11,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:11,382 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:11,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:11,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:11,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:11,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration6_Lasso [2022-10-17 10:30:11,382 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:11,382 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:11,388 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:11,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:12,153 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:12,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:12,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:12,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:12,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:12,162 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:12,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:12,677 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:12,678 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:12,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:12,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:12,680 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:12,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:12,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:12,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:12,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:12,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:12,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:12,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:12,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:12,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:30:12,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:12,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:12,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:12,789 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:12,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:12,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:12,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:12,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:12,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:12,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:12,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:12,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:30:12,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:12,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:12,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:12,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:12,868 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:12,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:12,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:12,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:12,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:12,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:12,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:12,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:12,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:12,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:30:12,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:12,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:12,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:12,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:12,938 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:12,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:30:12,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:12,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:12,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:12,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:12,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:12,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:12,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:12,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:12,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:12,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:12,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:12,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:12,983 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:12,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:30:12,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:12,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:12,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:12,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:12,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:12,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:12,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:12,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:12,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:13,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,017 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:30:13,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:13,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:13,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:13,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:13,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:13,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,052 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:30:13,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:13,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:13,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:13,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:13,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,090 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:30:13,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:13,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:13,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:13,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:13,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:13,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,128 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:13,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:30:13,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:13,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:13,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:13,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-10-17 10:30:13,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,169 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:30:13,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:13,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:13,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:13,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:13,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:13,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,205 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:30:13,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:13,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:13,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:13,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:13,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-10-17 10:30:13,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,244 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:30:13,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:13,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:13,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:13,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:13,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,303 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:30:13,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:13,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:13,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:13,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:13,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:13,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,389 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,391 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 [2022-10-17 10:30:13,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:30:13,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:13,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:13,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:13,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:13,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:13,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:13,443 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:30:13,491 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-10-17 10:30:13,491 INFO L444 ModelExtractionUtils]: 2 out of 31 variables were initially zero. Simplification set additionally 26 variables to zero. [2022-10-17 10:30:13,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:13,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:13,493 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:13,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:30:13,494 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:30:13,504 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:30:13,505 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:30:13,505 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~j~0, insertionSort_~size) = -1*insertionSort_~j~0 + 1*insertionSort_~size Supporting invariants [] [2022-10-17 10:30:13,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:13,568 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-10-17 10:30:13,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:30:13,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 10:30:13,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:13,790 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2022-10-17 10:30:13,790 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 5 Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:13,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 5. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 47 transitions. Complement of second has 16 states. [2022-10-17 10:30:13,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2022-10-17 10:30:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2022-10-17 10:30:13,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 14 letters. Loop has 7 letters. [2022-10-17 10:30:13,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:13,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 21 letters. Loop has 7 letters. [2022-10-17 10:30:13,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:13,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 14 letters. Loop has 14 letters. [2022-10-17 10:30:13,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:13,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 47 transitions. [2022-10-17 10:30:13,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:13,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 34 states and 40 transitions. [2022-10-17 10:30:13,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-10-17 10:30:13,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-10-17 10:30:13,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 40 transitions. [2022-10-17 10:30:13,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:13,910 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-10-17 10:30:13,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 40 transitions. [2022-10-17 10:30:13,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2022-10-17 10:30:13,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-10-17 10:30:13,918 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-10-17 10:30:13,918 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-10-17 10:30:13,918 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-10-17 10:30:13,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2022-10-17 10:30:13,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-10-17 10:30:13,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:13,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:13,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:13,920 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:30:13,920 INFO L748 eck$LassoCheckResult]: Stem: 620#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 621#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 630#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 641#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 628#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 629#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 642#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 646#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 622#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 623#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 635#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 643#L15-6 #t~short4 := ~j~0 > 0; 645#L15-1 assume !#t~short4; 651#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 631#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 625#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 634#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 636#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 644#L15-6 #t~short4 := ~j~0 > 0; 637#L15-1 assume !#t~short4; 638#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 624#L15-5 [2022-10-17 10:30:13,920 INFO L750 eck$LassoCheckResult]: Loop: 624#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 627#L15-6 #t~short4 := ~j~0 > 0; 649#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 648#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 624#L15-5 [2022-10-17 10:30:13,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:13,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1119961527, now seen corresponding path program 1 times [2022-10-17 10:30:13,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:13,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411538631] [2022-10-17 10:30:13,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:13,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 10:30:13,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:13,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411538631] [2022-10-17 10:30:13,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411538631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:13,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:13,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:30:13,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633038690] [2022-10-17 10:30:13,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:13,966 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:30:13,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:13,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1526396, now seen corresponding path program 1 times [2022-10-17 10:30:13,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:13,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909336853] [2022-10-17 10:30:13,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:13,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:13,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:13,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:14,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:14,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:30:14,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:30:14,076 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:14,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:14,088 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-10-17 10:30:14,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 40 transitions. [2022-10-17 10:30:14,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-10-17 10:30:14,090 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 34 states and 39 transitions. [2022-10-17 10:30:14,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-10-17 10:30:14,090 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-10-17 10:30:14,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 39 transitions. [2022-10-17 10:30:14,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:14,090 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-10-17 10:30:14,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 39 transitions. [2022-10-17 10:30:14,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-10-17 10:30:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2022-10-17 10:30:14,094 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-10-17 10:30:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:30:14,099 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-10-17 10:30:14,099 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-10-17 10:30:14,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 38 transitions. [2022-10-17 10:30:14,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-10-17 10:30:14,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:14,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:14,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:14,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:30:14,105 INFO L748 eck$LassoCheckResult]: Stem: 693#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 694#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 703#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 715#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 701#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 702#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 716#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 720#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 695#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 696#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 704#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 725#L15-6 #t~short4 := ~j~0 > 0; 723#L15-1 assume !#t~short4; 722#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 721#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 698#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 705#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 706#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 718#L15-6 #t~short4 := ~j~0 > 0; 707#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 708#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 697#L15-5 [2022-10-17 10:30:14,105 INFO L750 eck$LassoCheckResult]: Loop: 697#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 700#L15-6 #t~short4 := ~j~0 > 0; 719#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 724#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 697#L15-5 [2022-10-17 10:30:14,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:14,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1119961465, now seen corresponding path program 1 times [2022-10-17 10:30:14,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:14,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498031454] [2022-10-17 10:30:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:14,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:14,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:14,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:14,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:14,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1526396, now seen corresponding path program 2 times [2022-10-17 10:30:14,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:14,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305174062] [2022-10-17 10:30:14,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:14,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:14,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:14,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:14,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1796534284, now seen corresponding path program 1 times [2022-10-17 10:30:14,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:14,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194318602] [2022-10-17 10:30:14,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:14,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:14,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:14,418 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 10:30:14,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:14,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194318602] [2022-10-17 10:30:14,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194318602] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:14,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388602902] [2022-10-17 10:30:14,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:14,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:14,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:14,421 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:14,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-17 10:30:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:14,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:30:14,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 10:30:14,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:30:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 10:30:14,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388602902] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:30:14,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:30:14,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2022-10-17 10:30:14,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871183791] [2022-10-17 10:30:14,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:30:14,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:14,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-17 10:30:14,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:30:14,734 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. cyclomatic complexity: 8 Second operand has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:14,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:14,947 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2022-10-17 10:30:14,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 58 transitions. [2022-10-17 10:30:14,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-10-17 10:30:14,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 58 transitions. [2022-10-17 10:30:14,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-10-17 10:30:14,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-10-17 10:30:14,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 58 transitions. [2022-10-17 10:30:14,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:14,950 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 58 transitions. [2022-10-17 10:30:14,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 58 transitions. [2022-10-17 10:30:14,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2022-10-17 10:30:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 37 states have internal predecessors, (44), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-10-17 10:30:14,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-10-17 10:30:14,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-17 10:30:14,960 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-10-17 10:30:14,960 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-10-17 10:30:14,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 48 transitions. [2022-10-17 10:30:14,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-10-17 10:30:14,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:14,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:14,963 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:14,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:14,964 INFO L748 eck$LassoCheckResult]: Stem: 960#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 961#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 970#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 984#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 968#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 969#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 985#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 990#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 962#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 963#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 971#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 994#L15-6 #t~short4 := ~j~0 > 0; 993#L15-1 assume !#t~short4; 992#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 979#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 975#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 982#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1001#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1000#L15-6 #t~short4 := ~j~0 > 0; 999#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 998#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 997#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 988#L15-6 #t~short4 := ~j~0 > 0; 974#L15-1 assume !#t~short4; 976#L15-3 [2022-10-17 10:30:14,965 INFO L750 eck$LassoCheckResult]: Loop: 976#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 991#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 966#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 981#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 986#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 967#L15-6 #t~short4 := ~j~0 > 0; 996#L15-1 assume !#t~short4; 976#L15-3 [2022-10-17 10:30:14,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:14,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1466067936, now seen corresponding path program 2 times [2022-10-17 10:30:14,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:14,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905663374] [2022-10-17 10:30:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:14,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:14,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:15,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:15,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:15,015 INFO L85 PathProgramCache]: Analyzing trace with hash -497256520, now seen corresponding path program 1 times [2022-10-17 10:30:15,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:15,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102119898] [2022-10-17 10:30:15,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:15,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:15,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:15,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:15,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:15,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1939981049, now seen corresponding path program 3 times [2022-10-17 10:30:15,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:15,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285133239] [2022-10-17 10:30:15,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:15,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 10:30:15,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:15,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285133239] [2022-10-17 10:30:15,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285133239] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:15,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876643914] [2022-10-17 10:30:15,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-17 10:30:15,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:15,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:15,280 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:15,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-17 10:30:15,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-10-17 10:30:15,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:30:15,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:30:15,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 10:30:15,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:30:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 10:30:15,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876643914] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:30:15,507 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:30:15,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 17 [2022-10-17 10:30:15,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198534395] [2022-10-17 10:30:15,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:30:16,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:16,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-17 10:30:16,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2022-10-17 10:30:16,038 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. cyclomatic complexity: 9 Second operand has 18 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:16,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:16,492 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2022-10-17 10:30:16,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 68 transitions. [2022-10-17 10:30:16,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2022-10-17 10:30:16,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 61 states and 68 transitions. [2022-10-17 10:30:16,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2022-10-17 10:30:16,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2022-10-17 10:30:16,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 68 transitions. [2022-10-17 10:30:16,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:16,496 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 68 transitions. [2022-10-17 10:30:16,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 68 transitions. [2022-10-17 10:30:16,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2022-10-17 10:30:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 43 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2022-10-17 10:30:16,504 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 54 transitions. [2022-10-17 10:30:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-17 10:30:16,506 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 54 transitions. [2022-10-17 10:30:16,506 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-10-17 10:30:16,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 54 transitions. [2022-10-17 10:30:16,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-10-17 10:30:16,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:16,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:16,511 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:16,511 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:16,512 INFO L748 eck$LassoCheckResult]: Stem: 1309#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1310#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1319#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 1333#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1317#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1318#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1334#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1342#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 1311#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1312#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1329#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1346#L15-6 #t~short4 := ~j~0 > 0; 1345#L15-1 assume !#t~short4; 1344#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 1343#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1324#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1328#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1337#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1338#L15-6 #t~short4 := ~j~0 > 0; 1355#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1347#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 1348#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 1356#L15-6 #t~short4 := ~j~0 > 0; 1349#L15-1 assume !#t~short4; 1332#L15-3 [2022-10-17 10:30:16,513 INFO L750 eck$LassoCheckResult]: Loop: 1332#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 1325#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1314#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1327#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1335#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1336#L15-6 #t~short4 := ~j~0 > 0; 1339#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1354#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 1352#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 1353#L15-6 #t~short4 := ~j~0 > 0; 1320#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1321#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 1313#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 1316#L15-6 #t~short4 := ~j~0 > 0; 1351#L15-1 assume !#t~short4; 1332#L15-3 [2022-10-17 10:30:16,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:16,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1466067936, now seen corresponding path program 4 times [2022-10-17 10:30:16,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:16,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237490503] [2022-10-17 10:30:16,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:16,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:16,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:16,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:16,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:16,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2062908546, now seen corresponding path program 1 times [2022-10-17 10:30:16,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:16,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035445467] [2022-10-17 10:30:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:16,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:16,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:16,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:16,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:16,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1457523005, now seen corresponding path program 5 times [2022-10-17 10:30:16,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:16,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462521933] [2022-10-17 10:30:16,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:16,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 29 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 10:30:16,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:16,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462521933] [2022-10-17 10:30:16,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462521933] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:16,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334851730] [2022-10-17 10:30:16,961 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-17 10:30:16,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:16,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:16,969 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:16,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-17 10:30:17,062 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-10-17 10:30:17,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:30:17,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 10:30:17,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 10:30:17,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:30:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 10:30:17,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334851730] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:30:17,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:30:17,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 18] total 29 [2022-10-17 10:30:17,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890211222] [2022-10-17 10:30:17,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:30:18,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:18,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-17 10:30:18,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2022-10-17 10:30:18,659 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. cyclomatic complexity: 9 Second operand has 29 states, 24 states have (on average 2.4583333333333335) internal successors, (59), 23 states have internal predecessors, (59), 6 states have call successors, (7), 6 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:19,189 INFO L93 Difference]: Finished difference Result 78 states and 84 transitions. [2022-10-17 10:30:19,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 84 transitions. [2022-10-17 10:30:19,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-10-17 10:30:19,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 51 states and 57 transitions. [2022-10-17 10:30:19,191 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2022-10-17 10:30:19,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2022-10-17 10:30:19,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 57 transitions. [2022-10-17 10:30:19,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:19,192 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 57 transitions. [2022-10-17 10:30:19,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 57 transitions. [2022-10-17 10:30:19,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2022-10-17 10:30:19,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 45 states have internal predecessors, (52), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:19,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2022-10-17 10:30:19,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 56 transitions. [2022-10-17 10:30:19,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-17 10:30:19,197 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 56 transitions. [2022-10-17 10:30:19,197 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-10-17 10:30:19,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 56 transitions. [2022-10-17 10:30:19,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-10-17 10:30:19,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:19,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:19,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:19,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:19,200 INFO L748 eck$LassoCheckResult]: Stem: 1729#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1730#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1739#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 1752#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1753#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1754#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1737#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1738#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1760#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1759#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 1731#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1732#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1765#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1764#L15-6 #t~short4 := ~j~0 > 0; 1763#L15-1 assume !#t~short4; 1762#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 1749#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1740#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1778#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1777#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1776#L15-6 #t~short4 := ~j~0 > 0; 1774#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1772#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 1771#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 1769#L15-6 #t~short4 := ~j~0 > 0; 1745#L15-1 assume !#t~short4; 1746#L15-3 [2022-10-17 10:30:19,200 INFO L750 eck$LassoCheckResult]: Loop: 1746#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 1761#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1735#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1741#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1743#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1755#L15-6 #t~short4 := ~j~0 > 0; 1775#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1773#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 1733#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 1736#L15-6 #t~short4 := ~j~0 > 0; 1757#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1766#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 1770#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 1768#L15-6 #t~short4 := ~j~0 > 0; 1767#L15-1 assume !#t~short4; 1746#L15-3 [2022-10-17 10:30:19,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:19,200 INFO L85 PathProgramCache]: Analyzing trace with hash 970401822, now seen corresponding path program 6 times [2022-10-17 10:30:19,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:19,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957343492] [2022-10-17 10:30:19,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:19,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:19,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:19,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:19,238 INFO L85 PathProgramCache]: Analyzing trace with hash 2062908546, now seen corresponding path program 2 times [2022-10-17 10:30:19,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:19,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786260974] [2022-10-17 10:30:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:19,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:19,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:19,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:19,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:19,258 INFO L85 PathProgramCache]: Analyzing trace with hash -798001467, now seen corresponding path program 7 times [2022-10-17 10:30:19,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:19,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515388144] [2022-10-17 10:30:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:19,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:19,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:22,146 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:22,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:22,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:22,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:22,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:22,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:22,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:22,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:22,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration11_Lasso [2022-10-17 10:30:22,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:22,147 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:22,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:22,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:23,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:23,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:23,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:23,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:24,161 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:24,161 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:24,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,173 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:30:24,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-10-17 10:30:24,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,209 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:30:24,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,250 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:24,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:24,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:30:24,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,381 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:30:24,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-10-17 10:30:24,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,441 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:30:24,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,484 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:30:24,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-10-17 10:30:24,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,518 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-10-17 10:30:24,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-10-17 10:30:24,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,551 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-10-17 10:30:24,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:24,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:24,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-10-17 10:30:24,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,587 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-10-17 10:30:24,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,621 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-10-17 10:30:24,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,693 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:24,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:24,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-10-17 10:30:24,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,765 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-10-17 10:30:24,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,797 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-10-17 10:30:24,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,836 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-10-17 10:30:24,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:24,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:24,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:24,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:24,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,870 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-10-17 10:30:24,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:24,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:24,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:24,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:24,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-10-17 10:30:24,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:24,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,957 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-10-17 10:30:24,959 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 [2022-10-17 10:30:24,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:24,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:24,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:24,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:24,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:24,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:24,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:30:25,047 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-10-17 10:30:25,047 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-10-17 10:30:25,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:25,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:25,049 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:25,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-10-17 10:30:25,050 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:30:25,058 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:30:25,058 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:30:25,059 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~i) = -2*insertionSort_~i + 3 Supporting invariants [] [2022-10-17 10:30:25,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:25,117 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-10-17 10:30:25,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:25,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:30:25,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:25,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 10:30:25,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:25,401 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2022-10-17 10:30:25,401 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 56 transitions. cyclomatic complexity: 9 Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,815 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 56 transitions. cyclomatic complexity: 9. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 290 states and 343 transitions. Complement of second has 115 states. [2022-10-17 10:30:25,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 1 stem states 13 non-accepting loop states 1 accepting loop states [2022-10-17 10:30:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 46 transitions. [2022-10-17 10:30:25,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 46 transitions. Stem has 26 letters. Loop has 15 letters. [2022-10-17 10:30:25,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:25,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 46 transitions. Stem has 41 letters. Loop has 15 letters. [2022-10-17 10:30:25,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:25,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 46 transitions. Stem has 26 letters. Loop has 30 letters. [2022-10-17 10:30:25,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:25,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 290 states and 343 transitions. [2022-10-17 10:30:25,823 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2022-10-17 10:30:25,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 290 states to 285 states and 338 transitions. [2022-10-17 10:30:25,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2022-10-17 10:30:25,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-10-17 10:30:25,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 338 transitions. [2022-10-17 10:30:25,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:25,831 INFO L218 hiAutomatonCegarLoop]: Abstraction has 285 states and 338 transitions. [2022-10-17 10:30:25,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 338 transitions. [2022-10-17 10:30:25,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 88. [2022-10-17 10:30:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.1851851851851851) internal successors, (96), 80 states have internal predecessors, (96), 7 states have call successors, (7), 7 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 103 transitions. [2022-10-17 10:30:25,845 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 103 transitions. [2022-10-17 10:30:25,845 INFO L428 stractBuchiCegarLoop]: Abstraction has 88 states and 103 transitions. [2022-10-17 10:30:25,846 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-10-17 10:30:25,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 103 transitions. [2022-10-17 10:30:25,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2022-10-17 10:30:25,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:25,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:25,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:25,850 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:25,851 INFO L748 eck$LassoCheckResult]: Stem: 2391#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2392#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 2405#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 2419#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 2420#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2421#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 2403#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2404#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 2426#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2425#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 2393#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 2394#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2434#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2435#L15-6 #t~short4 := ~j~0 > 0; 2430#L15-1 assume !#t~short4; 2431#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 2455#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 2407#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 2466#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2462#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2463#L15-6 #t~short4 := ~j~0 > 0; 2472#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 2475#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 2474#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 2473#L15-6 #t~short4 := ~j~0 > 0; 2458#L15-1 assume !#t~short4; 2459#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 2406#L15-7 [2022-10-17 10:30:25,851 INFO L750 eck$LassoCheckResult]: Loop: 2406#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 2396#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 2413#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2415#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2422#L15-6 #t~short4 := ~j~0 > 0; 2441#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 2442#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 2406#L15-7 [2022-10-17 10:30:25,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:25,851 INFO L85 PathProgramCache]: Analyzing trace with hash 17685426, now seen corresponding path program 8 times [2022-10-17 10:30:25,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:25,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331485884] [2022-10-17 10:30:25,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:25,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:25,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:25,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:25,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:25,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1094947064, now seen corresponding path program 5 times [2022-10-17 10:30:25,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:25,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170100253] [2022-10-17 10:30:25,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:25,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:25,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:25,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:25,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1495415351, now seen corresponding path program 9 times [2022-10-17 10:30:25,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:25,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885088675] [2022-10-17 10:30:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:25,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:25,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:26,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:26,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:28,170 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:28,171 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:28,171 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:28,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:28,171 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:28,171 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:28,171 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:28,171 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:28,171 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration12_Lasso [2022-10-17 10:30:28,171 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:28,171 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:28,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,313 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:29,878 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:29,878 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:29,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:29,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:29,882 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:29,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-10-17 10:30:29,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:29,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:29,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:29,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:29,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:29,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:29,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:29,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:29,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:29,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:29,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:29,959 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:29,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:29,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-10-17 10:30:29,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:29,969 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-10-17 10:30:29,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:29,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:29,973 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-10-17 10:30:29,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:29,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:30,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:30,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:30,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:30,028 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:30,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-10-17 10:30:30,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:30,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:30,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:30,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:30,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:30,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:30,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:30,084 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:30:30,128 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-10-17 10:30:30,128 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-10-17 10:30:30,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:30,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:30,129 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:30,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-10-17 10:30:30,131 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:30:30,140 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:30:30,141 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:30:30,141 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~i, insertionSort_~size) = -1*insertionSort_~i + 1*insertionSort_~size Supporting invariants [] [2022-10-17 10:30:30,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-10-17 10:30:30,184 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2022-10-17 10:30:30,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:30,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:30:30,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:30,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 10:30:30,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:30,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:30,381 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-10-17 10:30:30,381 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 88 states and 103 transitions. cyclomatic complexity: 20 Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,477 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 88 states and 103 transitions. cyclomatic complexity: 20. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 153 states and 183 transitions. Complement of second has 14 states. [2022-10-17 10:30:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-10-17 10:30:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-10-17 10:30:30,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 27 letters. Loop has 7 letters. [2022-10-17 10:30:30,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:30,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 34 letters. Loop has 7 letters. [2022-10-17 10:30:30,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:30,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 27 letters. Loop has 14 letters. [2022-10-17 10:30:30,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:30,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 183 transitions. [2022-10-17 10:30:30,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-10-17 10:30:30,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 104 states and 121 transitions. [2022-10-17 10:30:30,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-10-17 10:30:30,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-10-17 10:30:30,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 121 transitions. [2022-10-17 10:30:30,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:30,508 INFO L218 hiAutomatonCegarLoop]: Abstraction has 104 states and 121 transitions. [2022-10-17 10:30:30,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 121 transitions. [2022-10-17 10:30:30,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 93. [2022-10-17 10:30:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 86 states have (on average 1.197674418604651) internal successors, (103), 85 states have internal predecessors, (103), 7 states have call successors, (7), 7 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2022-10-17 10:30:30,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 110 transitions. [2022-10-17 10:30:30,518 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 110 transitions. [2022-10-17 10:30:30,518 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-10-17 10:30:30,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 110 transitions. [2022-10-17 10:30:30,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-10-17 10:30:30,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:30,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:30,531 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:30,531 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:30:30,531 INFO L748 eck$LassoCheckResult]: Stem: 2799#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2800#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 2811#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 2828#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 2829#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2830#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 2809#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2810#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 2834#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2833#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 2801#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 2802#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2812#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2831#L15-6 #t~short4 := ~j~0 > 0; 2855#L15-1 assume !#t~short4; 2854#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 2823#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 2824#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 2825#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2881#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2879#L15-6 #t~short4 := ~j~0 > 0; 2874#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 2875#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 2891#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 2805#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 2888#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2886#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2885#L15-6 #t~short4 := ~j~0 > 0; 2815#L15-1 [2022-10-17 10:30:30,531 INFO L750 eck$LassoCheckResult]: Loop: 2815#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 2816#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 2803#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 2806#L15-6 #t~short4 := ~j~0 > 0; 2815#L15-1 [2022-10-17 10:30:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:30,532 INFO L85 PathProgramCache]: Analyzing trace with hash 496161610, now seen corresponding path program 3 times [2022-10-17 10:30:30,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:30,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922565026] [2022-10-17 10:30:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:30,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:30,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:30,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1239356, now seen corresponding path program 3 times [2022-10-17 10:30:30,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:30,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323304286] [2022-10-17 10:30:30,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:30,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:30,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1509363707, now seen corresponding path program 10 times [2022-10-17 10:30:30,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:30,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234996655] [2022-10-17 10:30:30,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:30,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:31,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,882 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:32,882 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:32,882 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:32,883 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:32,883 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:32,883 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,883 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:32,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:32,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration13_Lasso [2022-10-17 10:30:32,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:32,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:32,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,895 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,904 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:33,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:33,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:33,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:33,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:33,662 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:33,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:33,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:34,229 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:34,229 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:34,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,230 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-10-17 10:30:34,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:34,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,260 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-10-17 10:30:34,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-10-17 10:30:34,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,294 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-10-17 10:30:34,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-10-17 10:30:34,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,329 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-10-17 10:30:34,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:34,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:34,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-10-17 10:30:34,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,365 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-10-17 10:30:34,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-10-17 10:30:34,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,417 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-10-17 10:30:34,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,448 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-10-17 10:30:34,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-10-17 10:30:34,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,481 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-10-17 10:30:34,482 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 [2022-10-17 10:30:34,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-10-17 10:30:34,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,517 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-10-17 10:30:34,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:34,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:34,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-10-17 10:30:34,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,551 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-10-17 10:30:34,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-10-17 10:30:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,604 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-10-17 10:30:34,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:34,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-10-17 10:30:34,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,638 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-10-17 10:30:34,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:34,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:34,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-10-17 10:30:34,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,677 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-10-17 10:30:34,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:34,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,689 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:30:34,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:34,716 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-10-17 10:30:34,716 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-10-17 10:30:34,814 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:30:34,917 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-10-17 10:30:34,918 INFO L444 ModelExtractionUtils]: 29 out of 56 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-10-17 10:30:34,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,921 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,923 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:30:34,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-10-17 10:30:34,955 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-10-17 10:30:34,956 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:30:34,956 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~array.offset, insertionSort_~j~0) = 1*insertionSort_~array.offset + 4*insertionSort_~j~0 Supporting invariants [] [2022-10-17 10:30:34,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad56a64c-3e33-48d6-a622-86da8c8f7c04/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0