./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 20:54:29,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:54:29,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:54:29,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:54:29,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:54:29,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:54:29,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:54:29,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:54:29,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:54:29,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:54:29,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:54:29,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:54:29,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:54:29,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:54:29,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:54:29,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:54:29,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:54:29,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:54:29,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:54:29,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:54:29,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:54:29,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:54:29,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:54:29,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:54:29,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:54:29,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:54:29,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:54:29,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:54:29,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:54:29,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:54:29,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:54:29,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:54:29,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:54:29,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:54:29,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:54:29,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:54:29,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:54:29,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:54:29,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:54:29,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:54:29,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:54:29,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:54:29,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:54:29,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:54:29,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:54:29,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:54:29,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:54:29,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:54:29,255 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:54:29,255 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:54:29,256 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:54:29,256 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:54:29,257 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:54:29,257 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:54:29,257 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:54:29,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:54:29,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:54:29,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:54:29,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:54:29,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:54:29,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:54:29,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:54:29,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:54:29,259 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:54:29,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:54:29,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:54:29,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:54:29,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:54:29,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:54:29,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:54:29,263 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:54:29,263 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_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2022-11-18 20:54:29,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:54:29,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:54:29,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:54:29,573 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:54:29,574 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:54:29,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2022-11-18 20:54:29,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/data/c80b67bb6/688ba060ed6b455c97a46af0dfc22d37/FLAG9cfc9546b [2022-11-18 20:54:30,110 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:54:30,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2022-11-18 20:54:30,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/data/c80b67bb6/688ba060ed6b455c97a46af0dfc22d37/FLAG9cfc9546b [2022-11-18 20:54:30,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/data/c80b67bb6/688ba060ed6b455c97a46af0dfc22d37 [2022-11-18 20:54:30,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:54:30,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:54:30,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:54:30,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:54:30,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:54:30,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1c038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30, skipping insertion in model container [2022-11-18 20:54:30,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:54:30,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:54:30,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:54:30,741 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:54:30,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:54:30,767 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:54:30,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30 WrapperNode [2022-11-18 20:54:30,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:54:30,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:54:30,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:54:30,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:54:30,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,806 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-18 20:54:30,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:54:30,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:54:30,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:54:30,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:54:30,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,859 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:54:30,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:54:30,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:54:30,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:54:30,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (1/1) ... [2022-11-18 20:54:30,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:30,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:30,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:30,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:54:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:54:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:54:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2022-11-18 20:54:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2022-11-18 20:54:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:54:30,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:54:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:54:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:54:31,071 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:54:31,074 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:54:31,345 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:54:31,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:54:31,352 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:54:31,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:31 BoogieIcfgContainer [2022-11-18 20:54:31,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:54:31,355 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:54:31,355 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:54:31,361 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:54:31,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:54:31,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:54:30" (1/3) ... [2022-11-18 20:54:31,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a2bd201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:54:31, skipping insertion in model container [2022-11-18 20:54:31,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:54:31,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:30" (2/3) ... [2022-11-18 20:54:31,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a2bd201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:54:31, skipping insertion in model container [2022-11-18 20:54:31,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:54:31,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:31" (3/3) ... [2022-11-18 20:54:31,366 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertionSort_recursive.i [2022-11-18 20:54:31,482 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:54:31,494 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:54:31,495 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:54:31,495 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:54:31,495 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:54:31,495 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:54:31,495 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:54:31,496 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:54:31,500 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) [2022-11-18 20:54:31,547 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-18 20:54:31,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:31,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:31,575 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:54:31,576 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:54:31,576 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:54:31,576 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) [2022-11-18 20:54:31,579 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-18 20:54:31,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:31,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:31,580 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:54:31,580 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:54:31,589 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 % 18446744073709551616);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 [2022-11-18 20:54:31,592 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 [2022-11-18 20:54:31,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:31,606 INFO L85 PathProgramCache]: Analyzing trace with hash 60643, now seen corresponding path program 1 times [2022-11-18 20:54:31,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:31,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602642640] [2022-11-18 20:54:31,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:31,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:31,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:31,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:31,822 INFO L85 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2022-11-18 20:54:31,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:31,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610379214] [2022-11-18 20:54:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:31,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:31,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:31,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:31,861 INFO L85 PathProgramCache]: Analyzing trace with hash 58279397, now seen corresponding path program 1 times [2022-11-18 20:54:31,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:31,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411899189] [2022-11-18 20:54:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:31,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:31,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:32,223 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:54:32,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:54:32,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:54:32,225 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:54:32,225 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:54:32,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:32,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:54:32,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:54:32,226 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration1_Lasso [2022-11-18 20:54:32,226 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:54:32,227 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:54:32,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:32,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:32,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:32,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:32,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:32,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:32,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:32,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:32,750 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:54:32,754 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:54:32,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:32,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:32,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:32,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:32,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:32,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:32,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:32,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:32,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:32,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:32,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:32,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:54:32,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:32,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:32,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:32,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:32,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:32,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:54:32,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:32,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:32,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:32,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:32,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:32,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:32,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:32,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:32,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:32,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:32,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:32,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:32,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:32,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:54:32,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:32,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:32,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:32,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:32,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:32,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:32,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:32,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:32,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-18 20:54:32,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:32,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:32,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:32,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:32,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:54:32,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:32,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:32,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:32,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:32,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:32,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:32,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:32,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:32,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:32,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:32,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:32,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:32,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:32,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:54:32,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:32,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:32,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:32,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:33,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:33,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:33,026 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:54:33,070 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-18 20:54:33,071 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-18 20:54:33,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:33,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:33,076 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:33,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:54:33,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:54:33,121 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:54:33,122 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:54:33,122 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1.offset >= 0] [2022-11-18 20:54:33,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:33,142 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-11-18 20:54:33,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:33,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:54:33,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:33,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:54:33,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:33,349 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 [2022-11-18 20:54:33,351 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) [2022-11-18 20:54:33,441 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. [2022-11-18 20:54:33,443 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 [2022-11-18 20:54:33,450 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) [2022-11-18 20:54:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2022-11-18 20:54:33,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-18 20:54:33,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:33,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 20:54:33,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:33,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-18 20:54:33,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:33,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-11-18 20:54:33,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:33,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 15 states and 20 transitions. [2022-11-18 20:54:33,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-18 20:54:33,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 20:54:33,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-11-18 20:54:33,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:33,473 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 20:54:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-11-18 20:54:33,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-18 20:54:33,502 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) [2022-11-18 20:54:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-18 20:54:33,504 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 20:54:33,504 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 20:54:33,504 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:54:33,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-18 20:54:33,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:33,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:33,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:33,509 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:54:33,510 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-18 20:54:33,510 INFO L748 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 121#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; 129#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 % 18446744073709551616);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; 134#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 122#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 123#insertionSortENTRY [2022-11-18 20:54:33,511 INFO L750 eck$LassoCheckResult]: Loop: 123#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 133#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; 126#L15-6 assume !true; 130#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 125#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 123#insertionSortENTRY [2022-11-18 20:54:33,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:33,514 INFO L85 PathProgramCache]: Analyzing trace with hash 58279346, now seen corresponding path program 1 times [2022-11-18 20:54:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:33,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930872500] [2022-11-18 20:54:33,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:33,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:33,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930872500] [2022-11-18 20:54:33,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930872500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:33,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:33,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:54:33,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462132916] [2022-11-18 20:54:33,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:33,616 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:54:33,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:33,617 INFO L85 PathProgramCache]: Analyzing trace with hash 28740467, now seen corresponding path program 1 times [2022-11-18 20:54:33,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:33,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219412458] [2022-11-18 20:54:33,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:33,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:33,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:33,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219412458] [2022-11-18 20:54:33,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219412458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:33,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:33,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:33,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552684836] [2022-11-18 20:54:33,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:33,633 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:54:33,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:33,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:54:33,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:54:33,638 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) [2022-11-18 20:54:33,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:33,646 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-11-18 20:54:33,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-18 20:54:33,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:33,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2022-11-18 20:54:33,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 20:54:33,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 20:54:33,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-18 20:54:33,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:33,648 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-18 20:54:33,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-18 20:54:33,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-18 20:54:33,649 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) [2022-11-18 20:54:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-18 20:54:33,650 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-18 20:54:33,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:54:33,651 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-18 20:54:33,651 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:54:33,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-18 20:54:33,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:33,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:33,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:33,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:54:33,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:33,653 INFO L748 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 157#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; 165#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 % 18446744073709551616);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; 170#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 158#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 159#insertionSortENTRY [2022-11-18 20:54:33,653 INFO L750 eck$LassoCheckResult]: Loop: 159#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 166#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; 162#L15-6 #t~short4 := ~j~0 > 0; 167#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; 168#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 169#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 161#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 159#insertionSortENTRY [2022-11-18 20:54:33,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:33,654 INFO L85 PathProgramCache]: Analyzing trace with hash 58279346, now seen corresponding path program 2 times [2022-11-18 20:54:33,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:33,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341669912] [2022-11-18 20:54:33,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:33,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:33,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:33,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341669912] [2022-11-18 20:54:33,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341669912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:33,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:33,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:54:33,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716130029] [2022-11-18 20:54:33,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:33,759 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:54:33,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:33,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476522, now seen corresponding path program 1 times [2022-11-18 20:54:33,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:33,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693928830] [2022-11-18 20:54:33,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:33,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:33,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:33,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:34,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:34,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:34,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:34,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:34,332 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) [2022-11-18 20:54:34,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:34,349 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2022-11-18 20:54:34,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-11-18 20:54:34,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:34,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2022-11-18 20:54:34,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 20:54:34,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 20:54:34,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-11-18 20:54:34,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:34,360 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-18 20:54:34,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-11-18 20:54:34,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-18 20:54:34,361 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) [2022-11-18 20:54:34,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2022-11-18 20:54:34,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-11-18 20:54:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:34,368 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-11-18 20:54:34,368 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:54:34,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2022-11-18 20:54:34,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:34,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:34,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:34,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:34,370 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:34,371 INFO L748 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 202#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 207#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 200#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 201#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 195#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 196#insertionSortENTRY [2022-11-18 20:54:34,371 INFO L750 eck$LassoCheckResult]: Loop: 196#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 203#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; 199#L15-6 #t~short4 := ~j~0 > 0; 204#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; 205#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 206#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 198#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 196#insertionSortENTRY [2022-11-18 20:54:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:34,372 INFO L85 PathProgramCache]: Analyzing trace with hash 171927092, now seen corresponding path program 1 times [2022-11-18 20:54:34,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:34,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577149765] [2022-11-18 20:54:34,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:34,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:34,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:34,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:34,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476522, now seen corresponding path program 2 times [2022-11-18 20:54:34,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:34,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305713809] [2022-11-18 20:54:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:34,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:34,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:34,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:34,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:34,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1744506729, now seen corresponding path program 1 times [2022-11-18 20:54:34,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:34,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848051173] [2022-11-18 20:54:34,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:34,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:54:34,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:34,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848051173] [2022-11-18 20:54:34,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848051173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:34,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:34,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:54:34,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729200053] [2022-11-18 20:54:34,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:35,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:35,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:54:35,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:54:35,152 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) [2022-11-18 20:54:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:35,249 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2022-11-18 20:54:35,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2022-11-18 20:54:35,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:35,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2022-11-18 20:54:35,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-18 20:54:35,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-18 20:54:35,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2022-11-18 20:54:35,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:35,259 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-18 20:54:35,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2022-11-18 20:54:35,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2022-11-18 20:54:35,261 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) [2022-11-18 20:54:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-18 20:54:35,261 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-18 20:54:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:54:35,265 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-18 20:54:35,265 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:54:35,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2022-11-18 20:54:35,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:35,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:35,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:35,267 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:35,267 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:35,267 INFO L748 eck$LassoCheckResult]: Stem: 247#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 248#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 256#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 262#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 254#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 255#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 249#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 250#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 257#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 263#L15-6 #t~short4 := ~j~0 > 0; 258#L15-1 assume !#t~short4; 259#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 260#L15-7 [2022-11-18 20:54:35,267 INFO L750 eck$LassoCheckResult]: Loop: 260#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 252#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 261#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 266#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; 253#L15-6 #t~short4 := ~j~0 > 0; 265#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; 264#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 260#L15-7 [2022-11-18 20:54:35,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash -332541132, now seen corresponding path program 1 times [2022-11-18 20:54:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:35,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968729731] [2022-11-18 20:54:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:35,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:35,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:35,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:35,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1094947064, now seen corresponding path program 3 times [2022-11-18 20:54:35,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:35,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670583309] [2022-11-18 20:54:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:35,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:35,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:35,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:35,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:35,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2143759477, now seen corresponding path program 1 times [2022-11-18 20:54:35,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:35,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120950024] [2022-11-18 20:54:35,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:35,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:35,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:35,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120950024] [2022-11-18 20:54:35,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120950024] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:54:35,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545102979] [2022-11-18 20:54:35,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:35,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:54:35,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:35,577 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:54:35,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:54:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:35,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:54:35,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:35,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:54:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:35,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545102979] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:54:35,982 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:54:35,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2022-11-18 20:54:35,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169326705] [2022-11-18 20:54:35,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:54:36,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:36,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 20:54:36,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:54:36,627 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) [2022-11-18 20:54:36,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:36,812 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-11-18 20:54:36,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2022-11-18 20:54:36,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:36,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 23 states and 26 transitions. [2022-11-18 20:54:36,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-18 20:54:36,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:54:36,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2022-11-18 20:54:36,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:36,814 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-11-18 20:54:36,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2022-11-18 20:54:36,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-18 20:54:36,816 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) [2022-11-18 20:54:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-18 20:54:36,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-18 20:54:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:54:36,818 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-18 20:54:36,818 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:54:36,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2022-11-18 20:54:36,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:36,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:36,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:36,819 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:36,819 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:36,820 INFO L748 eck$LassoCheckResult]: Stem: 439#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 440#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 448#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 454#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 455#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 456#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 446#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 447#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 441#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 442#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 457#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 458#L15-6 #t~short4 := ~j~0 > 0; 451#L15-1 assume !#t~short4; 452#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 453#L15-7 [2022-11-18 20:54:36,820 INFO L750 eck$LassoCheckResult]: Loop: 453#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 444#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 449#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 450#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; 445#L15-6 #t~short4 := ~j~0 > 0; 460#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; 459#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 453#L15-7 [2022-11-18 20:54:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1063486350, now seen corresponding path program 2 times [2022-11-18 20:54:36,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:36,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140589619] [2022-11-18 20:54:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:36,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:36,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:36,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:36,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1094947064, now seen corresponding path program 4 times [2022-11-18 20:54:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:36,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192894246] [2022-11-18 20:54:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:36,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:36,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:36,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1119961463, now seen corresponding path program 2 times [2022-11-18 20:54:36,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:36,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992758407] [2022-11-18 20:54:36,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:36,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:36,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:36,896 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:38,339 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:54:38,339 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:54:38,339 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:54:38,339 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:54:38,339 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:54:38,339 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:38,339 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:54:38,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:54:38,339 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration6_Lasso [2022-11-18 20:54:38,339 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:54:38,340 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:54:38,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:38,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:39,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:39,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:39,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:39,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:39,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:39,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:39,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:39,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:54:39,897 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:54:39,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:39,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:39,899 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:39,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:54:39,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:39,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:39,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:39,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:39,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:39,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:39,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:39,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:39,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:39,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:39,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:39,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:39,933 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:39,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:54:39,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:39,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:39,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:39,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:39,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:39,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:39,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:39,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:39,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:39,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:39,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:39,977 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:39,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:54:39,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:39,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:39,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:39,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:39,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:39,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:39,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:39,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:39,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-11-18 20:54:40,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,005 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:54:40,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:40,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:40,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:40,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,048 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:54:40,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:40,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:40,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:40,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,102 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:54:40,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:40,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:40,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:40,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,151 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:54:40,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:40,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:40,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,223 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:40,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:40,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:40,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:54:40,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,269 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:40,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:40,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:40,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:54:40,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,309 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:40,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:40,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:40,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:54:40,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,355 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:54:40,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:40,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:40,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:40,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,396 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:54:40,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:40,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:40,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,460 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:54:40,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:40,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:40,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:40,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,509 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:40,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:54:40,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:40,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:40,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:40,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:40,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:40,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:40,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:54:40,627 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-18 20:54:40,628 INFO L444 ModelExtractionUtils]: 2 out of 31 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-18 20:54:40,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:40,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:40,635 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:40,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:54:40,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:54:40,679 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:54:40,679 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:54:40,679 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length insertionSort_~array.base)_1, insertionSort_~j~0) = 1*v_rep(select #length insertionSort_~array.base)_1 - 16*insertionSort_~j~0 Supporting invariants [-1*insertionSort_~size + 2 >= 0] [2022-11-18 20:54:40,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:40,717 INFO L156 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 20:54:40,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:40,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:54:40,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:40,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-18 20:54:40,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:41,109 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 5 loop predicates [2022-11-18 20:54:41,109 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 5 Second operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 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) [2022-11-18 20:54:41,476 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 5. Second operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 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 51 states and 59 transitions. Complement of second has 23 states. [2022-11-18 20:54:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 8 stem states 4 non-accepting loop states 2 accepting loop states [2022-11-18 20:54:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 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) [2022-11-18 20:54:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 35 transitions. [2022-11-18 20:54:41,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 35 transitions. Stem has 14 letters. Loop has 7 letters. [2022-11-18 20:54:41,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:41,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 35 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-18 20:54:41,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:41,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 35 transitions. Stem has 14 letters. Loop has 14 letters. [2022-11-18 20:54:41,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:41,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 59 transitions. [2022-11-18 20:54:41,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:41,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 45 states and 52 transitions. [2022-11-18 20:54:41,481 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-11-18 20:54:41,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-11-18 20:54:41,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 52 transitions. [2022-11-18 20:54:41,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:54:41,482 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 52 transitions. [2022-11-18 20:54:41,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 52 transitions. [2022-11-18 20:54:41,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 40. [2022-11-18 20:54:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 35 states have internal predecessors, (43), 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) [2022-11-18 20:54:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2022-11-18 20:54:41,485 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 47 transitions. [2022-11-18 20:54:41,485 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 47 transitions. [2022-11-18 20:54:41,486 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 20:54:41,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 47 transitions. [2022-11-18 20:54:41,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:54:41,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:41,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:41,487 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:41,487 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:41,487 INFO L748 eck$LassoCheckResult]: Stem: 669#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 670#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; 679#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 % 18446744073709551616);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; 691#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; 677#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 678#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; 692#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 696#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; 697#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 708#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 680#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 707#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; 704#L15-6 #t~short4 := ~j~0 > 0; 703#L15-1 assume !#t~short4; 700#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 699#L15-7 [2022-11-18 20:54:41,487 INFO L750 eck$LassoCheckResult]: Loop: 699#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 676#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 681#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 705#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; 675#L15-6 #t~short4 := ~j~0 > 0; 702#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; 701#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 699#L15-7 [2022-11-18 20:54:41,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:41,488 INFO L85 PathProgramCache]: Analyzing trace with hash 872795696, now seen corresponding path program 3 times [2022-11-18 20:54:41,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:41,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633252163] [2022-11-18 20:54:41,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:41,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:41,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:41,515 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:41,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:41,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1094947064, now seen corresponding path program 5 times [2022-11-18 20:54:41,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:41,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593266216] [2022-11-18 20:54:41,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:41,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:41,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:41,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:41,529 INFO L85 PathProgramCache]: Analyzing trace with hash 797580793, now seen corresponding path program 3 times [2022-11-18 20:54:41,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:41,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220466067] [2022-11-18 20:54:41,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:41,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:41,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:41,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:43,118 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:54:43,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:54:43,119 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:54:43,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:54:43,119 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:54:43,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:43,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:54:43,119 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:54:43,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration7_Lasso [2022-11-18 20:54:43,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:54:43,120 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:54:43,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,148 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,153 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,162 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:43,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:44,622 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:54:44,623 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:54:44,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,624 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:54:44,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:44,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:44,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,659 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:54:44,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:44,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:44,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:44,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,707 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:44,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:54:44,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-18 20:54:44,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,735 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:54:44,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:44,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-18 20:54:44,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,754 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:54:44,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:44,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-18 20:54:44,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,790 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:54:44,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:44,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-18 20:54:44,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,818 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:54:44,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:44,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-18 20:54:44,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,838 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:54:44,841 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 [2022-11-18 20:54:44,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:44,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:44,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:44,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,886 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:54:44,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:44,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:44,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,932 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:44,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:54:44,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:44,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:44,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:44,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:44,965 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:44,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:54:44,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:44,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:44,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:44,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:44,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:44,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:44,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:44,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:45,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:45,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-18 20:54:45,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,004 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:54:45,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:45,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:45,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:45,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:45,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:45,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:45,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:45,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:45,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:45,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:45,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,023 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:54:45,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:45,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:45,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:45,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:45,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:45,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:45,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:45,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:45,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:45,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-18 20:54:45,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,042 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:54:45,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:45,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:45,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:45,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:45,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:45,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:45,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:45,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:45,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:45,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:45,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,062 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:54:45,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:45,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:45,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:45,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:45,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:45,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:45,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:45,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:45,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:45,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:45,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,081 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:54:45,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:45,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:45,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:45,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:45,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:45,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:45,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:45,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:45,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:45,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-18 20:54:45,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,109 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:54:45,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:45,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:45,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:45,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:45,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:45,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:45,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:45,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:45,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:45,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:45,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,133 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 20:54:45,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:45,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:45,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:45,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:45,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:45,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:45,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:45,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:45,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:45,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,212 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:45,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:45,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:45,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:45,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:45,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:54:45,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:45,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:45,281 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:54:45,348 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-11-18 20:54:45,348 INFO L444 ModelExtractionUtils]: 3 out of 31 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-11-18 20:54:45,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:45,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:45,350 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:45,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:54:45,352 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:54:45,363 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:54:45,363 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:54:45,363 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~size, insertionSort_~i) = 1*insertionSort_~size - 1*insertionSort_~i Supporting invariants [] [2022-11-18 20:54:45,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:45,389 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-18 20:54:45,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:45,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:54:45,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:45,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:54:45,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:45,548 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 [2022-11-18 20:54:45,548 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 47 transitions. cyclomatic complexity: 10 Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2022-11-18 20:54:45,609 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 47 transitions. cyclomatic complexity: 10. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 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 63 states and 78 transitions. Complement of second has 14 states. [2022-11-18 20:54:45,610 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 [2022-11-18 20:54:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2022-11-18 20:54:45,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-11-18 20:54:45,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 16 letters. Loop has 7 letters. [2022-11-18 20:54:45,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:45,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 23 letters. Loop has 7 letters. [2022-11-18 20:54:45,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:45,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 16 letters. Loop has 14 letters. [2022-11-18 20:54:45,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:45,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 78 transitions. [2022-11-18 20:54:45,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:54:45,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 51 states and 63 transitions. [2022-11-18 20:54:45,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-18 20:54:45,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-18 20:54:45,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 63 transitions. [2022-11-18 20:54:45,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:54:45,618 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-11-18 20:54:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 63 transitions. [2022-11-18 20:54:45,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2022-11-18 20:54:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 41 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) [2022-11-18 20:54:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-11-18 20:54:45,622 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-11-18 20:54:45,622 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-11-18 20:54:45,622 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-18 20:54:45,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 56 transitions. [2022-11-18 20:54:45,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:54:45,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:54:45,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:54:45,624 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:45,624 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:54:45,624 INFO L748 eck$LassoCheckResult]: Stem: 898#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 899#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; 910#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 % 18446744073709551616);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; 924#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; 925#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 926#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; 908#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 909#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 900#L33-4 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 901#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 913#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; 939#L15-6 #t~short4 := ~j~0 > 0; 938#L15-1 assume !#t~short4; 937#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 936#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 903#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 934#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 933#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; 932#L15-6 #t~short4 := ~j~0 > 0; 915#L15-1 [2022-11-18 20:54:45,625 INFO L750 eck$LassoCheckResult]: Loop: 915#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; 916#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; 902#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 905#L15-6 #t~short4 := ~j~0 > 0; 915#L15-1 [2022-11-18 20:54:45,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:45,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1647994767, now seen corresponding path program 1 times [2022-11-18 20:54:45,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:45,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67312902] [2022-11-18 20:54:45,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:45,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:45,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:45,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:45,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:45,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1239356, now seen corresponding path program 1 times [2022-11-18 20:54:45,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:45,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816544345] [2022-11-18 20:54:45,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:45,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:45,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:45,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:45,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:45,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1753822804, now seen corresponding path program 1 times [2022-11-18 20:54:45,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:45,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319846067] [2022-11-18 20:54:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:45,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:45,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:45,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:46,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-18 20:54:47,623 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:54:47,623 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:54:47,623 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:54:47,623 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:54:47,623 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:54:47,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:47,623 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:54:47,623 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:54:47,623 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration8_Lasso [2022-11-18 20:54:47,623 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:54:47,623 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:54:47,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:47,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:47,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:47,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:47,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:47,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,332 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:54:48,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:54:48,911 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:54:48,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:48,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:48,913 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:48,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 20:54:48,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:48,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:48,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:48,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:48,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:48,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:48,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:48,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:48,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-18 20:54:48,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:48,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:48,936 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:48,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:48,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 20:54:48,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:48,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:48,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:48,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:48,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:48,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:48,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:48,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:48,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-18 20:54:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:48,957 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:48,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 20:54:48,960 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 [2022-11-18 20:54:48,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:48,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:48,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:48,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:48,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:48,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:48,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:48,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:48,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:48,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:48,975 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:48,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 20:54:48,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:48,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:48,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:48,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:48,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:48,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:48,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:48,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:48,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:48,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:48,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:48,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:48,993 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:48,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 20:54:48,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:49,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:49,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:54:49,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:49,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:49,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:49,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:54:49,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:54:49,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:49,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-18 20:54:49,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:49,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:49,012 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:49,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 20:54:49,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:49,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:49,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:49,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:54:49,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:49,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:54:49,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:54:49,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:54:49,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:49,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:49,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:49,033 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:49,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 20:54:49,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:54:49,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:54:49,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:54:49,047 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:54:49,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:54:49,075 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-18 20:54:49,075 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:54:49,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:54:49,397 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-11-18 20:54:49,397 INFO L444 ModelExtractionUtils]: 25 out of 56 variables were initially zero. Simplification set additionally 28 variables to zero. [2022-11-18 20:54:49,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:54:49,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:49,399 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:49,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:54:49,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 20:54:49,438 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-11-18 20:54:49,438 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:54:49,438 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 [] [2022-11-18 20:54:49,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:49,470 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-11-18 20:54:49,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:49,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:54:49,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:49,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:54:49,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:49,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:49,643 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 20:54:49,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-18 20:54:49,656 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) Result 54 states and 64 transitions. Complement of second has 6 states. [2022-11-18 20:54:49,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:54:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-18 20:54:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:54:49,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 19 letters. Loop has 4 letters. [2022-11-18 20:54:49,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:49,662 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:54:49,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:49,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:54:49,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:49,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:54:49,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:49,788 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 20:54:49,788 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-18 20:54:49,797 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) Result 54 states and 64 transitions. Complement of second has 6 states. [2022-11-18 20:54:49,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:54:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-18 20:54:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:54:49,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 19 letters. Loop has 4 letters. [2022-11-18 20:54:49,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:49,805 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:54:49,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:49,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:54:49,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:49,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:54:49,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:54:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:49,917 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 20:54:49,918 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-18 20:54:49,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) Result 84 states and 105 transitions. Complement of second has 9 states. [2022-11-18 20:54:49,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:54:49,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-18 20:54:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2022-11-18 20:54:49,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 19 letters. Loop has 4 letters. [2022-11-18 20:54:49,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:49,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 23 letters. Loop has 4 letters. [2022-11-18 20:54:49,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:49,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 19 letters. Loop has 8 letters. [2022-11-18 20:54:49,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:54:49,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 105 transitions. [2022-11-18 20:54:49,951 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:54:49,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 0 states and 0 transitions. [2022-11-18 20:54:49,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:54:49,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:54:49,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:54:49,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:49,952 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:54:49,953 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:54:49,953 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:54:49,953 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-18 20:54:49,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:54:49,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:54:49,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:54:49,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:54:49 BoogieIcfgContainer [2022-11-18 20:54:49,961 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:54:49,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:54:49,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:54:49,962 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:54:49,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:31" (3/4) ... [2022-11-18 20:54:49,965 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:54:49,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:54:49,966 INFO L158 Benchmark]: Toolchain (without parser) took 19466.01ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 99.3MB in the beginning and 144.2MB in the end (delta: -44.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-18 20:54:49,966 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:54:49,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.68ms. Allocated memory is still 138.4MB. Free memory was 99.1MB in the beginning and 112.2MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:54:49,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.82ms. Allocated memory is still 138.4MB. Free memory was 112.2MB in the beginning and 110.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:54:49,967 INFO L158 Benchmark]: Boogie Preprocessor took 59.48ms. Allocated memory is still 138.4MB. Free memory was 110.9MB in the beginning and 109.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:54:49,967 INFO L158 Benchmark]: RCFGBuilder took 485.31ms. Allocated memory is still 138.4MB. Free memory was 109.5MB in the beginning and 98.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:54:49,968 INFO L158 Benchmark]: BuchiAutomizer took 18605.67ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 98.0MB in the beginning and 145.3MB in the end (delta: -47.3MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-18 20:54:49,968 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 207.6MB. Free memory was 145.3MB in the beginning and 144.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:54:49,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.68ms. Allocated memory is still 138.4MB. Free memory was 99.1MB in the beginning and 112.2MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.82ms. Allocated memory is still 138.4MB. Free memory was 112.2MB in the beginning and 110.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.48ms. Allocated memory is still 138.4MB. Free memory was 110.9MB in the beginning and 109.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.31ms. Allocated memory is still 138.4MB. Free memory was 109.5MB in the beginning and 98.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 18605.67ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 98.0MB in the beginning and 145.3MB in the end (delta: -47.3MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 207.6MB. Free memory was 145.3MB in the beginning and 144.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (4 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * i and consists of 5 locations. One deterministic module has affine ranking function -16 * j + unknown-#length-unknown[array] and consists of 14 locations. One deterministic module has affine ranking function size + -1 * i and consists of 6 locations. One nondeterministic module has affine ranking function array + 4 * j and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.5s and 9 iterations. TraceHistogramMax:3. Analysis of lassos took 16.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 14 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 354 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 216 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 281 IncrementalHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 138 mSDtfsCounter, 281 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital191 mio100 ax100 hnf100 lsp96 ukn95 mio100 lsp55 div145 bol101 ite100 ukn100 eq164 hnf93 smp79 dnf110 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 406ms VariablesStem: 12 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:54:49,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:54:50,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf80cddf-6030-49d2-934d-d7a72ab89b44/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE