./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8 --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 b91dcc12f43fdd03af0529f07bf7885945925554291ddde3b9ca40d8f32b93c1 --- 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-2329fc7 [2022-12-13 19:48:14,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:48:14,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:48:14,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:48:14,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:48:14,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:48:14,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:48:14,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:48:14,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:48:14,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:48:14,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:48:14,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:48:14,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:48:14,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:48:14,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:48:14,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:48:14,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:48:14,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:48:14,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:48:14,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:48:14,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:48:14,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:48:14,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:48:14,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:48:14,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:48:14,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:48:14,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:48:14,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:48:14,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:48:14,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:48:14,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:48:14,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:48:14,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:48:14,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:48:14,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:48:14,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:48:14,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:48:14,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:48:14,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:48:14,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:48:14,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:48:14,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 19:48:14,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:48:14,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:48:14,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:48:14,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:48:14,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:48:14,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:48:14,941 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:48:14,942 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 19:48:14,942 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 19:48:14,942 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 19:48:14,942 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 19:48:14,942 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 19:48:14,943 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 19:48:14,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:48:14,943 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:48:14,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:48:14,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:48:14,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 19:48:14,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 19:48:14,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 19:48:14,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:48:14,944 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 19:48:14,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:48:14,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 19:48:14,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:48:14,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:48:14,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:48:14,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:48:14,946 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 19:48:14,947 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_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b91dcc12f43fdd03af0529f07bf7885945925554291ddde3b9ca40d8f32b93c1 [2022-12-13 19:48:15,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:48:15,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:48:15,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:48:15,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:48:15,143 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:48:15,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i [2022-12-13 19:48:17,768 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:48:17,901 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:48:17,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i [2022-12-13 19:48:17,906 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/data/9337c4801/4689cb7785c14922b89e622de1a43ffa/FLAGa7d4407e7 [2022-12-13 19:48:17,920 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/data/9337c4801/4689cb7785c14922b89e622de1a43ffa [2022-12-13 19:48:17,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:48:17,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:48:17,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:48:17,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:48:17,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:48:17,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:48:17" (1/1) ... [2022-12-13 19:48:17,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c36e963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:17, skipping insertion in model container [2022-12-13 19:48:17,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:48:17" (1/1) ... [2022-12-13 19:48:17,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:48:17,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:48:18,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:48:18,066 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:48:18,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:48:18,087 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:48:18,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18 WrapperNode [2022-12-13 19:48:18,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:48:18,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:48:18,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:48:18,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:48:18,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,111 INFO L138 Inliner]: procedures = 11, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2022-12-13 19:48:18,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:48:18,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:48:18,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:48:18,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:48:18,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:48:18,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:48:18,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:48:18,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:48:18,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (1/1) ... [2022-12-13 19:48:18,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:18,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:18,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:18,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 19:48:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:48:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2022-12-13 19:48:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2022-12-13 19:48:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:48:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:48:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:48:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:48:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:48:18,267 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:48:18,269 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:48:18,395 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:48:18,400 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:48:18,400 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:48:18,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:48:18 BoogieIcfgContainer [2022-12-13 19:48:18,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:48:18,403 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 19:48:18,403 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 19:48:18,407 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 19:48:18,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:48:18,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 07:48:17" (1/3) ... [2022-12-13 19:48:18,409 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eb522fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:48:18, skipping insertion in model container [2022-12-13 19:48:18,409 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:48:18,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:48:18" (2/3) ... [2022-12-13 19:48:18,410 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eb522fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:48:18, skipping insertion in model container [2022-12-13 19:48:18,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:48:18,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:48:18" (3/3) ... [2022-12-13 19:48:18,411 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex2.i [2022-12-13 19:48:18,457 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 19:48:18,457 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 19:48:18,457 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 19:48:18,457 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 19:48:18,458 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 19:48:18,458 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 19:48:18,458 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 19:48:18,458 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 19:48:18,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 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) [2022-12-13 19:48:18,494 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 19:48:18,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:48:18,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:48:18,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 19:48:18,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:18,500 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 19:48:18,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 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) [2022-12-13 19:48:18,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 19:48:18,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:48:18,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:48:18,504 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 19:48:18,504 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:18,511 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 10#L23-3true [2022-12-13 19:48:18,512 INFO L750 eck$LassoCheckResult]: Loop: 10#L23-3true call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 7#L23-1true assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 5#L26true call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 11#$Ultimate##0true ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 8#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 14#recFINALtrue assume true; 12#recEXITtrue >#31#return; 3#L26-1true call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 10#L23-3true [2022-12-13 19:48:18,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2022-12-13 19:48:18,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:18,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331465758] [2022-12-13 19:48:18,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:18,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:18,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:18,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:18,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:18,638 INFO L85 PathProgramCache]: Analyzing trace with hash -5927165, now seen corresponding path program 1 times [2022-12-13 19:48:18,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:18,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748070053] [2022-12-13 19:48:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:18,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:48:18,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:18,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748070053] [2022-12-13 19:48:18,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748070053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:48:18,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:48:18,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:48:18,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435212630] [2022-12-13 19:48:18,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:48:18,971 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 19:48:18,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:18,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:48:18,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:48:18,997 INFO L87 Difference]: Start difference. First operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 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 7 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:48:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:48:19,078 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-12-13 19:48:19,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2022-12-13 19:48:19,081 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 19:48:19,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 16 transitions. [2022-12-13 19:48:19,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-12-13 19:48:19,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-12-13 19:48:19,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2022-12-13 19:48:19,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:19,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 19:48:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2022-12-13 19:48:19,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 19:48:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 19:48:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 19:48:19,107 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 19:48:19,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:48:19,111 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 19:48:19,111 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 19:48:19,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2022-12-13 19:48:19,112 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 19:48:19,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:48:19,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:48:19,113 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 19:48:19,113 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:19,113 INFO L748 eck$LassoCheckResult]: Stem: 58#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 59#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 56#L23-3 [2022-12-13 19:48:19,113 INFO L750 eck$LassoCheckResult]: Loop: 56#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 60#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 52#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 57#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 51#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 53#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 57#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 51#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 54#recFINAL assume true; 61#recEXIT >#29#return; 62#L17-1 #res := #t~ret6;havoc #t~ret6; 63#recFINAL assume true; 64#recEXIT >#31#return; 55#L26-1 call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 56#L23-3 [2022-12-13 19:48:19,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:19,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2022-12-13 19:48:19,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:19,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43094371] [2022-12-13 19:48:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:19,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:19,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:19,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:19,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:19,125 INFO L85 PathProgramCache]: Analyzing trace with hash -741726607, now seen corresponding path program 1 times [2022-12-13 19:48:19,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:19,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835835273] [2022-12-13 19:48:19,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:19,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:19,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 19:48:19,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:19,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835835273] [2022-12-13 19:48:19,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835835273] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:48:19,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147280544] [2022-12-13 19:48:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:19,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:48:19,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:19,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:48:19,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:48:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:19,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 19:48:19,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:19,766 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 19:48:19,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2022-12-13 19:48:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 19:48:20,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:48:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:48:20,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147280544] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:48:20,313 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:48:20,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 10] total 23 [2022-12-13 19:48:20,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725681029] [2022-12-13 19:48:20,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:48:20,314 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 19:48:20,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:20,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 19:48:20,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:48:20,317 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 19:48:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:48:20,495 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-12-13 19:48:20,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2022-12-13 19:48:20,496 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 19:48:20,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2022-12-13 19:48:20,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-12-13 19:48:20,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 19:48:20,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2022-12-13 19:48:20,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:20,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 19:48:20,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2022-12-13 19:48:20,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 19:48:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 19:48:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-12-13 19:48:20,500 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 19:48:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:48:20,501 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 19:48:20,502 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 19:48:20,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2022-12-13 19:48:20,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 19:48:20,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:48:20,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:48:20,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 19:48:20,504 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:20,504 INFO L748 eck$LassoCheckResult]: Stem: 216#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 217#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 214#L23-3 [2022-12-13 19:48:20,504 INFO L750 eck$LassoCheckResult]: Loop: 214#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 218#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 210#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 215#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 209#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 211#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 215#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 209#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 211#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 215#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 209#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 212#recFINAL assume true; 219#recEXIT >#29#return; 220#L17-1 #res := #t~ret6;havoc #t~ret6; 221#recFINAL assume true; 225#recEXIT >#29#return; 223#L17-1 #res := #t~ret6;havoc #t~ret6; 224#recFINAL assume true; 222#recEXIT >#31#return; 213#L26-1 call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 214#L23-3 [2022-12-13 19:48:20,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2022-12-13 19:48:20,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:20,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270736582] [2022-12-13 19:48:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:20,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:20,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:20,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:20,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1620168125, now seen corresponding path program 2 times [2022-12-13 19:48:20,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:20,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409921202] [2022-12-13 19:48:20,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:20,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 19:48:21,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:21,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409921202] [2022-12-13 19:48:21,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409921202] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:48:21,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101737270] [2022-12-13 19:48:21,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:48:21,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:48:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:21,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:48:21,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:48:21,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:48:21,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:48:21,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-13 19:48:21,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:21,294 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 19:48:21,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2022-12-13 19:48:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 19:48:21,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:48:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:48:22,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101737270] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:48:22,027 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:48:22,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 14] total 27 [2022-12-13 19:48:22,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30277478] [2022-12-13 19:48:22,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:48:22,028 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 19:48:22,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:22,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 19:48:22,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=609, Unknown=0, NotChecked=0, Total=756 [2022-12-13 19:48:22,029 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 28 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 6 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2022-12-13 19:48:22,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:48:22,187 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-12-13 19:48:22,187 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2022-12-13 19:48:22,188 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 19:48:22,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2022-12-13 19:48:22,189 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-12-13 19:48:22,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-12-13 19:48:22,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2022-12-13 19:48:22,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:22,190 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-12-13 19:48:22,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2022-12-13 19:48:22,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-13 19:48:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 19:48:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-12-13 19:48:22,192 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-12-13 19:48:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 19:48:22,193 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-12-13 19:48:22,194 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 19:48:22,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 22 transitions. [2022-12-13 19:48:22,194 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-12-13 19:48:22,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:48:22,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:48:22,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 19:48:22,196 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:22,196 INFO L748 eck$LassoCheckResult]: Stem: 436#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 437#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 434#L23-3 [2022-12-13 19:48:22,196 INFO L750 eck$LassoCheckResult]: Loop: 434#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 438#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 430#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 435#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 429#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 431#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 435#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 429#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 431#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 435#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 429#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 431#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 435#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 429#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 432#recFINAL assume true; 439#recEXIT >#29#return; 440#L17-1 #res := #t~ret6;havoc #t~ret6; 441#recFINAL assume true; 448#recEXIT >#29#return; 447#L17-1 #res := #t~ret6;havoc #t~ret6; 446#recFINAL assume true; 445#recEXIT >#29#return; 443#L17-1 #res := #t~ret6;havoc #t~ret6; 444#recFINAL assume true; 442#recEXIT >#31#return; 433#L26-1 call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 434#L23-3 [2022-12-13 19:48:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:22,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 4 times [2022-12-13 19:48:22,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:22,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365115841] [2022-12-13 19:48:22,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:22,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:22,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:22,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:22,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:22,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1930575665, now seen corresponding path program 3 times [2022-12-13 19:48:22,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:22,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561298683] [2022-12-13 19:48:22,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:22,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:22,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:22,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:22,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:22,235 INFO L85 PathProgramCache]: Analyzing trace with hash 650376563, now seen corresponding path program 1 times [2022-12-13 19:48:22,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:22,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561377660] [2022-12-13 19:48:22,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:22,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:22,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:22,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:24,627 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:48:24,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:48:24,627 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:48:24,627 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:48:24,627 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 19:48:24,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:24,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:48:24,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:48:24,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration4_Lasso [2022-12-13 19:48:24,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:48:24,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:48:24,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:24,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:25,090 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:48:25,093 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 19:48:25,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 19:48:25,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:25,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:25,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:25,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:25,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:25,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 19:48:25,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:25,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:25,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:25,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:25,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 19:48:25,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 19:48:25,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:25,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:25,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:25,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:25,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:25,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,152 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 19:48:25,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:25,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:25,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:25,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:25,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,174 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 19:48:25,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:25,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:25,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:25,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:25,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 19:48:25,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,192 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 19:48:25,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:25,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:25,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:25,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 19:48:25,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,216 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 19:48:25,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:25,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:25,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:25,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:25,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 19:48:25,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 19:48:25,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:25,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:25,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:25,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 19:48:25,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,255 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 19:48:25,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:25,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:25,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:25,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:25,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:25,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:25,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:25,280 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 19:48:25,287 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 19:48:25,287 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 19:48:25,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:25,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:25,290 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:25,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 19:48:25,297 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 19:48:25,309 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 19:48:25,309 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 19:48:25,309 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~ip~0#1.base) ULTIMATE.start_main_~ip~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~ip~0#1.base) ULTIMATE.start_main_~ip~0#1.offset)_1 Supporting invariants [] [2022-12-13 19:48:25,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 19:48:25,316 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-12-13 19:48:25,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:25,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:48:25,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:25,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-13 19:48:25,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:25,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2022-12-13 19:48:25,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2022-12-13 19:48:25,430 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 19:48:25,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-13 19:48:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 19:48:25,619 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2022-12-13 19:48:25,621 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-12-13 19:48:25,763 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) Result 66 states and 73 transitions. Complement of second has 24 states. [2022-12-13 19:48:25,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2022-12-13 19:48:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-12-13 19:48:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2022-12-13 19:48:25,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 2 letters. Loop has 26 letters. [2022-12-13 19:48:25,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:25,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 28 letters. Loop has 26 letters. [2022-12-13 19:48:25,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:25,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 2 letters. Loop has 52 letters. [2022-12-13 19:48:25,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:25,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 73 transitions. [2022-12-13 19:48:25,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 19:48:25,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 35 states and 40 transitions. [2022-12-13 19:48:25,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-12-13 19:48:25,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 19:48:25,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 40 transitions. [2022-12-13 19:48:25,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 19:48:25,773 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-12-13 19:48:25,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 40 transitions. [2022-12-13 19:48:25,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2022-12-13 19:48:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-13 19:48:25,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-12-13 19:48:25,776 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-12-13 19:48:25,776 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-12-13 19:48:25,776 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 19:48:25,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2022-12-13 19:48:25,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 19:48:25,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:48:25,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:48:25,778 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 19:48:25,778 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 19:48:25,778 INFO L748 eck$LassoCheckResult]: Stem: 667#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 668#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 669#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 671#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 657#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 665#$Ultimate##0 [2022-12-13 19:48:25,778 INFO L750 eck$LassoCheckResult]: Loop: 665#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 656#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 658#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 665#$Ultimate##0 [2022-12-13 19:48:25,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:25,778 INFO L85 PathProgramCache]: Analyzing trace with hash 36330294, now seen corresponding path program 1 times [2022-12-13 19:48:25,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:25,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473002240] [2022-12-13 19:48:25,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:25,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:25,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:25,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:25,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:25,793 INFO L85 PathProgramCache]: Analyzing trace with hash 29943, now seen corresponding path program 1 times [2022-12-13 19:48:25,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:25,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194324214] [2022-12-13 19:48:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:25,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:25,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:25,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:25,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:25,803 INFO L85 PathProgramCache]: Analyzing trace with hash -15969886, now seen corresponding path program 1 times [2022-12-13 19:48:25,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:25,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880610162] [2022-12-13 19:48:25,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:25,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:25,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:25,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:25,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 19:48:26,539 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:48:26,540 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:48:26,540 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:48:26,540 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:48:26,540 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 19:48:26,540 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:26,540 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:48:26,540 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:48:26,540 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration5_Lasso [2022-12-13 19:48:26,540 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:48:26,540 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:48:26,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,749 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,751 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,754 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:26,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:27,062 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:48:27,062 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 19:48:27,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:27,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:27,063 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:27,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 19:48:27,065 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 [2022-12-13 19:48:27,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:27,075 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-12-13 19:48:27,075 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 19:48:27,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:27,085 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2022-12-13 19:48:27,085 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 19:48:27,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:27,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 19:48:27,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:27,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:27,108 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:27,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 19:48:27,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:27,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:27,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:27,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:27,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:27,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:27,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:27,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:27,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 19:48:27,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:27,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:27,134 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:27,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 19:48:27,136 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 [2022-12-13 19:48:27,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:27,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:27,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:27,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:27,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:27,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:27,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:27,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:27,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:27,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:27,157 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:27,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 19:48:27,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:27,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:27,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:27,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:27,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:27,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:27,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:27,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:27,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 19:48:27,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:27,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:27,179 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:27,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 19:48:27,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:27,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:27,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:27,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:27,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:27,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:27,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:27,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:27,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 19:48:27,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:27,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:27,200 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:27,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 19:48:27,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:27,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:27,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:27,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:27,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:27,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:27,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:27,223 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 19:48:27,235 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-12-13 19:48:27,235 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-12-13 19:48:27,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:27,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:27,236 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:27,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 19:48:27,238 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 19:48:27,249 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 19:48:27,249 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 19:48:27,249 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_1) = 2*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_1 + 1 Supporting invariants [] [2022-12-13 19:48:27,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 19:48:27,260 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2022-12-13 19:48:27,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:27,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:48:27,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:27,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 19:48:27,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:27,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-12-13 19:48:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:48:27,321 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 [2022-12-13 19:48:27,322 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 33 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 19:48:27,365 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 33 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Result 57 states and 66 transitions. Complement of second has 14 states. [2022-12-13 19:48:27,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 19:48:27,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 19:48:27,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2022-12-13 19:48:27,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 5 letters. Loop has 3 letters. [2022-12-13 19:48:27,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:27,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 3 letters. [2022-12-13 19:48:27,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:27,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 5 letters. Loop has 6 letters. [2022-12-13 19:48:27,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:27,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 66 transitions. [2022-12-13 19:48:27,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 19:48:27,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 40 states and 48 transitions. [2022-12-13 19:48:27,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 19:48:27,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 19:48:27,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2022-12-13 19:48:27,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 19:48:27,371 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 48 transitions. [2022-12-13 19:48:27,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2022-12-13 19:48:27,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-13 19:48:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 30 states have internal predecessors, (30), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2022-12-13 19:48:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2022-12-13 19:48:27,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 48 transitions. [2022-12-13 19:48:27,376 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2022-12-13 19:48:27,376 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 19:48:27,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2022-12-13 19:48:27,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 19:48:27,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:48:27,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:48:27,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 19:48:27,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 19:48:27,378 INFO L748 eck$LassoCheckResult]: Stem: 828#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 829#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 830#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 831#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 820#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 834#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 819#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 821#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 852#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 850#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 839#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 852#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 850#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 839#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 852#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 848#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 849#recFINAL assume true; 855#recEXIT >#29#return; 836#L17-1 #res := #t~ret6;havoc #t~ret6; 840#recFINAL assume true; 847#recEXIT >#29#return; 845#L17-1 #res := #t~ret6;havoc #t~ret6; 846#recFINAL assume true; 844#recEXIT >#29#return; 843#L17-1 #res := #t~ret6;havoc #t~ret6; 842#recFINAL assume true; 841#recEXIT >#31#return; 822#L26-1 call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 823#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 833#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 817#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 824#$Ultimate##0 [2022-12-13 19:48:27,378 INFO L750 eck$LassoCheckResult]: Loop: 824#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 816#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 818#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 824#$Ultimate##0 [2022-12-13 19:48:27,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:27,378 INFO L85 PathProgramCache]: Analyzing trace with hash 770731142, now seen corresponding path program 2 times [2022-12-13 19:48:27,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:27,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872697812] [2022-12-13 19:48:27,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:27,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 19:48:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 19:48:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:48:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 19:48:28,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:28,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872697812] [2022-12-13 19:48:28,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872697812] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:48:28,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145381093] [2022-12-13 19:48:28,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:48:28,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:48:28,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:28,640 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:48:28,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-12-13 19:48:28,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:48:28,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:48:28,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 78 conjunts are in the unsatisfiable core [2022-12-13 19:48:28,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:28,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 19:48:28,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 19:48:28,766 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 19:48:28,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-12-13 19:48:28,779 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 19:48:28,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-13 19:48:29,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2022-12-13 19:48:29,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 30 [2022-12-13 19:48:29,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-13 19:48:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 19:48:29,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:48:30,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2022-12-13 19:48:30,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2022-12-13 19:48:30,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-12-13 19:48:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:48:30,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145381093] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:48:30,852 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:48:30,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 24] total 51 [2022-12-13 19:48:30,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995736774] [2022-12-13 19:48:30,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:48:30,853 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 19:48:30,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:30,853 INFO L85 PathProgramCache]: Analyzing trace with hash 29943, now seen corresponding path program 2 times [2022-12-13 19:48:30,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:30,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056482062] [2022-12-13 19:48:30,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:30,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:30,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:30,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:31,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:31,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-12-13 19:48:31,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=2208, Unknown=3, NotChecked=0, Total=2550 [2022-12-13 19:48:31,140 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. cyclomatic complexity: 12 Second operand has 51 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 34 states have internal predecessors, (50), 9 states have call successors, (9), 7 states have call predecessors, (9), 12 states have return successors, (12), 11 states have call predecessors, (12), 8 states have call successors, (12) [2022-12-13 19:48:31,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:48:31,510 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2022-12-13 19:48:31,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 67 transitions. [2022-12-13 19:48:31,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 19:48:31,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 46 states and 58 transitions. [2022-12-13 19:48:31,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 19:48:31,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 19:48:31,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2022-12-13 19:48:31,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 19:48:31,513 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-12-13 19:48:31,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2022-12-13 19:48:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2022-12-13 19:48:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.103448275862069) internal successors, (32), 32 states have internal predecessors, (32), 8 states have call successors, (8), 5 states have call predecessors, (8), 6 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-12-13 19:48:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2022-12-13 19:48:31,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 52 transitions. [2022-12-13 19:48:31,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 19:48:31,519 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2022-12-13 19:48:31,519 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-12-13 19:48:31,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 52 transitions. [2022-12-13 19:48:31,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 19:48:31,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:48:31,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:48:31,520 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 19:48:31,520 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 19:48:31,520 INFO L748 eck$LassoCheckResult]: Stem: 1222#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1223#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 1224#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 1225#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 1236#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 1241#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1240#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1214#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1244#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1245#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1213#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1244#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1245#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1213#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1244#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1245#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1213#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1244#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1212#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 1215#recFINAL assume true; 1250#recEXIT >#29#return; 1248#L17-1 #res := #t~ret6;havoc #t~ret6; 1251#recFINAL assume true; 1249#recEXIT >#29#return; 1234#L17-1 #res := #t~ret6;havoc #t~ret6; 1233#recFINAL assume true; 1229#recEXIT >#29#return; 1230#L17-1 #res := #t~ret6;havoc #t~ret6; 1243#recFINAL assume true; 1239#recEXIT >#29#return; 1238#L17-1 #res := #t~ret6;havoc #t~ret6; 1237#recFINAL assume true; 1235#recEXIT >#31#return; 1216#L26-1 call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 1217#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 1227#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 1210#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 1218#$Ultimate##0 [2022-12-13 19:48:31,520 INFO L750 eck$LassoCheckResult]: Loop: 1218#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1209#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 1211#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 1218#$Ultimate##0 [2022-12-13 19:48:31,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:31,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1655830132, now seen corresponding path program 3 times [2022-12-13 19:48:31,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:31,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390936162] [2022-12-13 19:48:31,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:31,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:31,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:31,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:31,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:31,562 INFO L85 PathProgramCache]: Analyzing trace with hash 29943, now seen corresponding path program 3 times [2022-12-13 19:48:31,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:31,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667738625] [2022-12-13 19:48:31,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:31,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:31,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:31,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:31,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:31,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1136068004, now seen corresponding path program 4 times [2022-12-13 19:48:31,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:31,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038224479] [2022-12-13 19:48:31,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:31,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:31,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:48:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:48:31,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:48:38,804 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:48:38,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:48:38,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:48:38,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:48:38,804 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 19:48:38,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:38,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:48:38,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:48:38,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration7_Lasso [2022-12-13 19:48:38,804 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:48:38,804 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:48:38,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,825 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,827 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:38,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:39,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:39,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:48:39,456 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-13 19:48:45,543 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 174 DAG size of output: 174 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-12-13 19:48:45,589 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:48:45,590 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 19:48:45,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,591 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 19:48:45,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 19:48:45,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,609 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 19:48:45,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:45,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,627 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 19:48:45,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 19:48:45,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,644 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 19:48:45,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 19:48:45,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,661 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 19:48:45,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:45,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,678 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 19:48:45,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:45,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:45,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 19:48:45,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,702 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 19:48:45,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 19:48:45,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,718 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 19:48:45,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:45,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,736 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 19:48:45,738 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 [2022-12-13 19:48:45,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:45,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,753 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 19:48:45,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:45,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,770 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 19:48:45,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-12-13 19:48:45,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,788 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 19:48:45,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:45,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:45,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:45,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,807 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 19:48:45,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 19:48:45,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,824 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 19:48:45,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-12-13 19:48:45,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,841 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 19:48:45,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 19:48:45,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,858 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 19:48:45,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:45,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,874 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 19:48:45,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-12-13 19:48:45,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,892 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 19:48:45,893 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 [2022-12-13 19:48:45,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-12-13 19:48:45,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,909 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 19:48:45,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-12-13 19:48:45,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,927 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 19:48:45,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-12-13 19:48:45,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,944 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 19:48:45,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-12-13 19:48:45,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,962 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-12-13 19:48:45,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-12-13 19:48:45,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,979 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-12-13 19:48:45,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:45,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:45,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:45,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:45,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:45,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:45,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:45,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:45,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:45,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-12-13 19:48:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:45,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:45,996 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:45,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-12-13 19:48:45,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:46,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:46,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:46,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:46,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:46,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:46,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:46,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:46,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:46,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-12-13 19:48:46,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:46,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:46,013 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:46,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-12-13 19:48:46,015 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 [2022-12-13 19:48:46,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:46,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:46,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:46,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:46,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:46,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:46,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:46,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:46,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:46,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:46,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:46,031 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:46,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-12-13 19:48:46,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:46,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:46,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:46,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:46,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:46,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:46,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:46,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:46,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:46,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-12-13 19:48:46,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:46,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:46,048 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:46,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-12-13 19:48:46,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:46,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:46,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:46,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:46,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:46,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:46,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:46,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:46,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:46,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:46,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:46,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:46,065 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:46,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-12-13 19:48:46,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:46,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:46,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:48:46,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:46,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:46,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:46,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:48:46,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:48:46,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:46,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-12-13 19:48:46,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:46,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:46,083 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:46,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-12-13 19:48:46,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:46,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:46,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:46,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:46,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:46,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:46,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:46,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:48:46,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-12-13 19:48:46,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:46,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:46,105 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:46,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-12-13 19:48:46,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 19:48:46,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:48:46,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:48:46,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:48:46,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:48:46,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 19:48:46,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 19:48:46,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 19:48:46,139 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-12-13 19:48:46,139 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-12-13 19:48:46,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:48:46,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:48:46,140 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:48:46,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-12-13 19:48:46,142 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 19:48:46,154 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 19:48:46,154 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 19:48:46,155 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2 + 1 Supporting invariants [] [2022-12-13 19:48:46,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:46,168 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-12-13 19:48:46,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:46,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 19:48:46,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:46,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-12-13 19:48:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:46,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 19:48:46,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:46,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-12-13 19:48:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:48:46,450 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-12-13 19:48:46,450 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:48:46,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 50 states and 59 transitions. Complement of second has 14 states. [2022-12-13 19:48:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 19:48:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:48:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2022-12-13 19:48:46,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 37 letters. Loop has 3 letters. [2022-12-13 19:48:46,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:46,500 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 19:48:46,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:46,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 19:48:46,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:46,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 19:48:46,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:46,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-12-13 19:48:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:48:46,816 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2022-12-13 19:48:46,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:48:46,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 50 states and 59 transitions. Complement of second has 14 states. [2022-12-13 19:48:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 19:48:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:48:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2022-12-13 19:48:46,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 37 letters. Loop has 3 letters. [2022-12-13 19:48:46,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:46,864 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 19:48:46,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:46,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 19:48:46,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:47,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 19:48:47,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:48:47,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-12-13 19:48:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:48:47,184 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-12-13 19:48:47,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:48:47,251 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 63 states and 72 transitions. Complement of second has 15 states. [2022-12-13 19:48:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 19:48:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:48:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2022-12-13 19:48:47,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 37 letters. Loop has 3 letters. [2022-12-13 19:48:47,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:47,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 40 letters. Loop has 3 letters. [2022-12-13 19:48:47,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:47,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 37 letters. Loop has 6 letters. [2022-12-13 19:48:47,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:48:47,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 72 transitions. [2022-12-13 19:48:47,256 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 19:48:47,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 0 states and 0 transitions. [2022-12-13 19:48:47,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 19:48:47,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 19:48:47,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 19:48:47,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:47,256 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:48:47,256 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:48:47,256 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:48:47,256 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-12-13 19:48:47,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:48:47,256 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 19:48:47,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 19:48:47,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 07:48:47 BoogieIcfgContainer [2022-12-13 19:48:47,261 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 19:48:47,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:48:47,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:48:47,261 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:48:47,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:48:18" (3/4) ... [2022-12-13 19:48:47,263 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:48:47,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:48:47,264 INFO L158 Benchmark]: Toolchain (without parser) took 29339.92ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.3MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-12-13 19:48:47,264 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:48:47,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.29ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 68.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:48:47,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.83ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 67.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:48:47,264 INFO L158 Benchmark]: Boogie Preprocessor took 15.49ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 65.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:48:47,264 INFO L158 Benchmark]: RCFGBuilder took 274.17ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 54.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:48:47,264 INFO L158 Benchmark]: BuchiAutomizer took 28857.37ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 54.4MB in the beginning and 76.7MB in the end (delta: -22.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-12-13 19:48:47,265 INFO L158 Benchmark]: Witness Printer took 2.23ms. Allocated memory is still 176.2MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:48:47,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.29ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 68.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.83ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 67.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.49ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 65.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.17ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 54.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 28857.37ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 54.4MB in the beginning and 76.7MB in the end (delta: -22.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 2.23ms. Allocated memory is still 176.2MB. Free memory is still 76.7MB. There was no memory consumed. 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 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[ip][ip] and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 51 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 28.8s and 8 iterations. TraceHistogramMax:5. Analysis of lassos took 26.2s. Construction of modules took 0.5s. Büchi inclusion checks took 2.0s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 30/30 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 309 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 234 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 687 IncrementalHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 75 mSDtfsCounter, 687 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital396 mio100 ax100 hnf100 lsp96 ukn49 mio100 lsp30 div100 bol100 ite100 ukn100 eq167 hnf95 smp100 dnf2628 smp78 tf100 neg84 sie158 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 28 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! [2022-12-13 19:48:47,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-12-13 19:48:47,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 19:48:47,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-13 19:48:47,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46af44dc-7157-471c-8d4c-5f51f9a3dc01/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE