./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sum05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sum05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f --- 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-e04fb08 [2022-11-16 12:20:43,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:20:43,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:20:43,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:20:43,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:20:43,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:20:43,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:20:43,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:20:43,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:20:43,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:20:43,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:20:43,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:20:43,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:20:43,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:20:43,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:20:43,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:20:43,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:20:43,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:20:43,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:20:43,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:20:43,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:20:43,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:20:43,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:20:43,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:20:43,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:20:43,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:20:43,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:20:43,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:20:43,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:20:43,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:20:43,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:20:43,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:20:43,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:20:43,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:20:43,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:20:43,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:20:43,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:20:43,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:20:43,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:20:43,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:20:43,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:20:43,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:20:43,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:20:43,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:20:43,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:20:43,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:20:43,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:20:43,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:20:43,939 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:20:43,939 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:20:43,939 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:20:43,939 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:20:43,940 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:20:43,941 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:20:43,941 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:20:43,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:20:43,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:20:43,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:20:43,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:20:43,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:20:43,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:20:43,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:20:43,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:20:43,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:20:43,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:20:43,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:20:43,943 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:20:43,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:20:43,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:20:43,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:20:43,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:20:43,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:20:43,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:20:43,945 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:20:43,945 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_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f [2022-11-16 12:20:44,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:20:44,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:20:44,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:20:44,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:20:44,314 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:20:44,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/reducercommutativity/sum05-2.i [2022-11-16 12:20:44,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/data/adff9228f/0d6a6ca9f8c94a81bb8559ab7f7e6876/FLAGee46414f9 [2022-11-16 12:20:44,982 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:20:44,983 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/sv-benchmarks/c/reducercommutativity/sum05-2.i [2022-11-16 12:20:44,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/data/adff9228f/0d6a6ca9f8c94a81bb8559ab7f7e6876/FLAGee46414f9 [2022-11-16 12:20:45,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/data/adff9228f/0d6a6ca9f8c94a81bb8559ab7f7e6876 [2022-11-16 12:20:45,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:20:45,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:20:45,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:20:45,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:20:45,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:20:45,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c126bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45, skipping insertion in model container [2022-11-16 12:20:45,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:20:45,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:20:45,648 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/sv-benchmarks/c/reducercommutativity/sum05-2.i[1271,1284] [2022-11-16 12:20:45,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:20:45,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:20:45,684 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/sv-benchmarks/c/reducercommutativity/sum05-2.i[1271,1284] [2022-11-16 12:20:45,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:20:45,697 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:20:45,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45 WrapperNode [2022-11-16 12:20:45,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:20:45,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:20:45,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:20:45,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:20:45,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,734 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-16 12:20:45,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:20:45,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:20:45,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:20:45,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:20:45,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:20:45,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:20:45,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:20:45,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:20:45,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (1/1) ... [2022-11-16 12:20:45,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:45,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:45,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:45,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:20:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:20:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:20:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:20:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:20:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:20:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:20:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:20:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:20:45,967 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:20:45,969 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:20:46,204 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:20:46,210 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:20:46,210 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 12:20:46,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:46 BoogieIcfgContainer [2022-11-16 12:20:46,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:20:46,213 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:20:46,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:20:46,230 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:20:46,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:20:46,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:20:45" (1/3) ... [2022-11-16 12:20:46,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@133455c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:20:46, skipping insertion in model container [2022-11-16 12:20:46,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:20:46,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:45" (2/3) ... [2022-11-16 12:20:46,233 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@133455c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:20:46, skipping insertion in model container [2022-11-16 12:20:46,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:20:46,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:46" (3/3) ... [2022-11-16 12:20:46,234 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum05-2.i [2022-11-16 12:20:46,300 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:20:46,300 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:20:46,300 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:20:46,300 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:20:46,300 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:20:46,301 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:20:46,301 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:20:46,301 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:20:46,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:46,342 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-11-16 12:20:46,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:46,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:46,373 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:20:46,373 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:46,374 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:20:46,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:46,377 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-11-16 12:20:46,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:46,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:46,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:20:46,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:46,404 INFO L748 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 14#L34-3true [2022-11-16 12:20:46,404 INFO L750 eck$LassoCheckResult]: Loop: 14#L34-3true assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 10#L34-2true main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 14#L34-3true [2022-11-16 12:20:46,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,413 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:20:46,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021992960] [2022-11-16 12:20:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:46,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-16 12:20:46,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639570848] [2022-11-16 12:20:46,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:46,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:46,698 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-16 12:20:46,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:46,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858672027] [2022-11-16 12:20:46,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:46,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:46,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:47,107 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:20:47,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:20:47,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:20:47,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:20:47,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:20:47,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:20:47,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:20:47,110 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration1_Lasso [2022-11-16 12:20:47,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:20:47,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:20:47,139 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,162 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,181 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,444 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,447 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:47,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:20:47,788 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:20:47,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:20:47,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:47,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:47,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:47,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:47,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:47,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:47,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:47,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:20:47,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:47,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,893 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:47,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:20:47,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:47,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:47,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:47,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,938 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:47,946 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 [2022-11-16 12:20:47,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:47,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:47,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:47,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:47,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:47,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:47,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:47,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:20:47,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:47,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:47,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:47,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:47,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:48,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:48,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:48,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:20:48,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,041 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:20:48,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:48,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:48,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:48,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:20:48,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:48,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:48,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:48,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:20:48,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:48,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:48,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:48,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,181 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:20:48,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,241 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,258 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 [2022-11-16 12:20:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:20:48,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,311 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:20:48,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:48,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,392 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:48,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:48,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:48,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:48,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:48,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:20:48,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:48,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:48,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:20:48,449 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 12:20:48,449 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-16 12:20:48,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:48,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:48,455 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:48,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:20:48,495 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:20:48,517 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:20:48,517 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:20:48,518 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2022-11-16 12:20:48,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:48,545 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 12:20:48,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:48,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:20:48,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:48,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:20:48,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:48,682 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:20:48,684 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:48,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 92 transitions. Complement of second has 8 states. [2022-11-16 12:20:48,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:20:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2022-11-16 12:20:48,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-16 12:20:48,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:48,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 12:20:48,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:48,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-16 12:20:48,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:48,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 92 transitions. [2022-11-16 12:20:48,806 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:48,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 19 states and 24 transitions. [2022-11-16 12:20:48,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:20:48,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-16 12:20:48,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-11-16 12:20:48,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:48,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-16 12:20:48,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-11-16 12:20:48,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-11-16 12:20:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-16 12:20:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-11-16 12:20:48,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-16 12:20:48,873 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-16 12:20:48,874 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:20:48,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-11-16 12:20:48,878 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:48,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:48,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:48,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 12:20:48,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:48,880 INFO L748 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 162#L34-3 assume !(main_~i~1#1 < 5); 154#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 155#L20-3 [2022-11-16 12:20:48,880 INFO L750 eck$LassoCheckResult]: Loop: 155#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 168#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 155#L20-3 [2022-11-16 12:20:48,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:48,882 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-16 12:20:48,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:48,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681516223] [2022-11-16 12:20:48,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:48,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:49,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:49,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681516223] [2022-11-16 12:20:49,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681516223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:20:49,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:20:49,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:20:49,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209753950] [2022-11-16 12:20:49,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:20:49,013 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:49,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:49,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2022-11-16 12:20:49,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:49,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738122005] [2022-11-16 12:20:49,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:49,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:49,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:20:49,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:20:49,096 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:49,116 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-16 12:20:49,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2022-11-16 12:20:49,125 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:49,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2022-11-16 12:20:49,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-16 12:20:49,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-16 12:20:49,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-11-16 12:20:49,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:49,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-11-16 12:20:49,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-11-16 12:20:49,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-16 12:20:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-11-16 12:20:49,134 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-16 12:20:49,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:20:49,136 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-16 12:20:49,137 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:20:49,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-11-16 12:20:49,139 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:49,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:49,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:49,142 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:20:49,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:49,144 INFO L748 eck$LassoCheckResult]: Stem: 195#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 207#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 210#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 211#L34-3 assume !(main_~i~1#1 < 5); 199#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 200#L20-3 [2022-11-16 12:20:49,144 INFO L750 eck$LassoCheckResult]: Loop: 200#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 213#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 200#L20-3 [2022-11-16 12:20:49,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:49,146 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-16 12:20:49,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:49,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117111695] [2022-11-16 12:20:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:49,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:49,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117111695] [2022-11-16 12:20:49,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117111695] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:20:49,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082527547] [2022-11-16 12:20:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:20:49,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:49,250 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:20:49,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-16 12:20:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:49,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:20:49,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:49,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:20:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:49,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082527547] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:20:49,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:20:49,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-16 12:20:49,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182543719] [2022-11-16 12:20:49,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:20:49,349 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:49,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:49,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2022-11-16 12:20:49,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:49,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824599080] [2022-11-16 12:20:49,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:49,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:49,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:20:49,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:20:49,408 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:49,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:49,454 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-11-16 12:20:49,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-11-16 12:20:49,457 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:49,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2022-11-16 12:20:49,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-16 12:20:49,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-16 12:20:49,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2022-11-16 12:20:49,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:49,459 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-16 12:20:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2022-11-16 12:20:49,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-16 12:20:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-16 12:20:49,466 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-16 12:20:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:20:49,468 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-16 12:20:49,468 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:20:49,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2022-11-16 12:20:49,470 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:49,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:49,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:49,471 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-16 12:20:49,472 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:49,472 INFO L748 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 291#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 298#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 299#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 294#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 295#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 303#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 302#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 301#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 300#L34-3 assume !(main_~i~1#1 < 5); 283#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 284#L20-3 [2022-11-16 12:20:49,472 INFO L750 eck$LassoCheckResult]: Loop: 284#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 297#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 284#L20-3 [2022-11-16 12:20:49,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-16 12:20:49,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:49,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342447312] [2022-11-16 12:20:49,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:49,697 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:49,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:49,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342447312] [2022-11-16 12:20:49,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342447312] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:20:49,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826578934] [2022-11-16 12:20:49,699 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:20:49,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:20:49,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:49,701 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:20:49,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-16 12:20:49,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:20:49,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:20:49,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:20:49,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:49,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:20:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:49,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826578934] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:20:49,845 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:20:49,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-11-16 12:20:49,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107162066] [2022-11-16 12:20:49,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:20:49,846 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:49,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:49,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2022-11-16 12:20:49,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:49,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025733326] [2022-11-16 12:20:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:49,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:49,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:20:49,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:20:49,902 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:49,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:49,929 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-11-16 12:20:49,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2022-11-16 12:20:49,930 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:49,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 31 transitions. [2022-11-16 12:20:49,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-16 12:20:49,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-16 12:20:49,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2022-11-16 12:20:49,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:49,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-16 12:20:49,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2022-11-16 12:20:49,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-16 12:20:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-16 12:20:49,933 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-16 12:20:49,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:20:49,934 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-16 12:20:49,934 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:20:49,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 31 transitions. [2022-11-16 12:20:49,935 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-16 12:20:49,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:49,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:49,936 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2022-11-16 12:20:49,936 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:49,936 INFO L748 eck$LassoCheckResult]: Stem: 410#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 411#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 420#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 427#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 428#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 423#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 424#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 434#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 433#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 432#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 431#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 430#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 429#L34-3 assume !(main_~i~1#1 < 5); 412#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 413#L20-3 [2022-11-16 12:20:49,936 INFO L750 eck$LassoCheckResult]: Loop: 413#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 426#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 413#L20-3 [2022-11-16 12:20:49,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:49,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2022-11-16 12:20:49,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:49,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098871157] [2022-11-16 12:20:49,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:49,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:49,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2022-11-16 12:20:49,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:49,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321190642] [2022-11-16 12:20:49,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:49,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2022-11-16 12:20:49,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:49,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549583540] [2022-11-16 12:20:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:49,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:50,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:51,039 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:20:51,039 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:20:51,039 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:20:51,040 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:20:51,040 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:20:51,040 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:51,040 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:20:51,040 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:20:51,040 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration5_Lasso [2022-11-16 12:20:51,040 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:20:51,040 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:20:51,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:51,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:20:52,107 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:20:52,107 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:20:52,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,113 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:52,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:52,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:52,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:20:52,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,168 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:20:52,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:52,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:52,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:52,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,200 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:20:52,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:20:52,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:20:52,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:20:52,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,245 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:20:52,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,284 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:20:52,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,334 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:20:52,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,374 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:20:52,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,430 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:20:52,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,485 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:20:52,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,540 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:20:52,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,584 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:20:52,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:20:52,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,614 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:20:52,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:20:52,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:20:52,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:20:52,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:20:52,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:20:52,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:20:52,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:20:52,648 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:20:52,679 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-11-16 12:20:52,679 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-16 12:20:52,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:20:52,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:52,687 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:20:52,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:20:52,693 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:20:52,723 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:20:52,723 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:20:52,724 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sum_~i~0#1) = -2*ULTIMATE.start_sum_~i~0#1 + 9 Supporting invariants [] [2022-11-16 12:20:52,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:52,834 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2022-11-16 12:20:52,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:52,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:20:52,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:52,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:20:52,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:20:52,919 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:20:52,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:52,937 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 7 states. [2022-11-16 12:20:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:20:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-16 12:20:52,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-16 12:20:52,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:52,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 16 letters. Loop has 2 letters. [2022-11-16 12:20:52,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:52,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-16 12:20:52,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:20:52,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-11-16 12:20:52,941 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:52,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 28 states and 33 transitions. [2022-11-16 12:20:52,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-16 12:20:52,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-16 12:20:52,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2022-11-16 12:20:52,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:52,942 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-11-16 12:20:52,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2022-11-16 12:20:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-16 12:20:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2022-11-16 12:20:52,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-11-16 12:20:52,945 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-11-16 12:20:52,945 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:20:52,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2022-11-16 12:20:52,945 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:52,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:52,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:52,946 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:52,946 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:52,947 INFO L748 eck$LassoCheckResult]: Stem: 629#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 630#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 641#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 649#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 650#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 644#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 645#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 656#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 655#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 654#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 653#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 652#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 651#L34-3 assume !(main_~i~1#1 < 5); 633#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 634#L20-3 assume !(sum_~i~0#1 < 5); 642#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 643#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 639#L20-8 [2022-11-16 12:20:52,947 INFO L750 eck$LassoCheckResult]: Loop: 639#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 640#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 639#L20-8 [2022-11-16 12:20:52,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:52,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581027, now seen corresponding path program 1 times [2022-11-16 12:20:52,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:52,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581595187] [2022-11-16 12:20:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 12:20:53,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:53,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581595187] [2022-11-16 12:20:53,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581595187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:20:53,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:20:53,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:20:53,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225718054] [2022-11-16 12:20:53,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:20:53,011 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:53,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:53,012 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2022-11-16 12:20:53,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:53,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335849262] [2022-11-16 12:20:53,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:53,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:53,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:53,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:53,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:53,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:20:53,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:20:53,079 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:53,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:53,111 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-16 12:20:53,111 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2022-11-16 12:20:53,114 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:53,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 37 transitions. [2022-11-16 12:20:53,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-16 12:20:53,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-16 12:20:53,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2022-11-16 12:20:53,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:53,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-11-16 12:20:53,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2022-11-16 12:20:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2022-11-16 12:20:53,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-11-16 12:20:53,130 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-11-16 12:20:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:20:53,132 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-11-16 12:20:53,132 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:20:53,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2022-11-16 12:20:53,133 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:53,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:53,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:53,135 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:53,136 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:53,136 INFO L748 eck$LassoCheckResult]: Stem: 696#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 697#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 708#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 711#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 712#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 717#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 724#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 723#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 722#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 721#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 720#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 719#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 718#L34-3 assume !(main_~i~1#1 < 5); 700#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 701#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 714#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 715#L20-3 assume !(sum_~i~0#1 < 5); 709#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 710#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 706#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 707#L20-7 [2022-11-16 12:20:53,137 INFO L750 eck$LassoCheckResult]: Loop: 707#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 716#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 707#L20-7 [2022-11-16 12:20:53,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:53,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1577614809, now seen corresponding path program 1 times [2022-11-16 12:20:53,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:53,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832358071] [2022-11-16 12:20:53,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 12:20:53,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:53,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832358071] [2022-11-16 12:20:53,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832358071] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:20:53,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858214632] [2022-11-16 12:20:53,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:53,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:20:53,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:53,252 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:20:53,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-16 12:20:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:53,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:20:53,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 12:20:53,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:20:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 12:20:53,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858214632] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:20:53,384 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:20:53,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-16 12:20:53,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835373848] [2022-11-16 12:20:53,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:20:53,385 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:53,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:53,385 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2022-11-16 12:20:53,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:53,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46359295] [2022-11-16 12:20:53,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:53,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:53,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:53,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 12:20:53,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:53,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:20:53,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:20:53,456 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:53,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:53,537 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-11-16 12:20:53,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 52 transitions. [2022-11-16 12:20:53,538 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:53,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 52 transitions. [2022-11-16 12:20:53,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-16 12:20:53,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-11-16 12:20:53,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 52 transitions. [2022-11-16 12:20:53,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:53,539 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 52 transitions. [2022-11-16 12:20:53,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 52 transitions. [2022-11-16 12:20:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2022-11-16 12:20:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-11-16 12:20:53,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-11-16 12:20:53,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:20:53,544 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-11-16 12:20:53,544 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:20:53,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 45 transitions. [2022-11-16 12:20:53,545 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:53,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:53,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:53,546 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:53,546 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:53,546 INFO L748 eck$LassoCheckResult]: Stem: 897#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 898#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 909#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 912#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 913#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 919#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 937#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 936#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 935#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 934#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 933#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 932#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 931#L34-3 assume !(main_~i~1#1 < 5); 901#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 902#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 915#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 916#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 917#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 930#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 929#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 927#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 924#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 923#L20-3 assume !(sum_~i~0#1 < 5); 910#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 911#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 907#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 908#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 918#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 928#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 926#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 925#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 922#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 921#L20-7 [2022-11-16 12:20:53,546 INFO L750 eck$LassoCheckResult]: Loop: 921#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 920#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 921#L20-7 [2022-11-16 12:20:53,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:53,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1218450663, now seen corresponding path program 1 times [2022-11-16 12:20:53,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:53,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812504945] [2022-11-16 12:20:53,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 12:20:53,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:53,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812504945] [2022-11-16 12:20:53,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812504945] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:20:53,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294166569] [2022-11-16 12:20:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:53,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:20:53,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:53,737 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:20:53,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-11-16 12:20:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:53,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:20:53,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 12:20:53,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:20:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 12:20:53,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294166569] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:20:53,902 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:20:53,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-11-16 12:20:53,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772079111] [2022-11-16 12:20:53,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:20:53,903 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:20:53,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:53,903 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2022-11-16 12:20:53,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:53,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567240118] [2022-11-16 12:20:53,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:53,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:53,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:53,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:53,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:53,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:20:53,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:20:53,954 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:54,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:54,031 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2022-11-16 12:20:54,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 58 transitions. [2022-11-16 12:20:54,032 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:54,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 58 transitions. [2022-11-16 12:20:54,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2022-11-16 12:20:54,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2022-11-16 12:20:54,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 58 transitions. [2022-11-16 12:20:54,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:54,033 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 58 transitions. [2022-11-16 12:20:54,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 58 transitions. [2022-11-16 12:20:54,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2022-11-16 12:20:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 44 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-11-16 12:20:54,036 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-11-16 12:20:54,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:20:54,037 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-11-16 12:20:54,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-16 12:20:54,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 49 transitions. [2022-11-16 12:20:54,038 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-16 12:20:54,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:54,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:54,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:54,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:54,039 INFO L748 eck$LassoCheckResult]: Stem: 1191#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1192#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1201#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1204#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1205#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1211#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1233#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1232#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1231#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1230#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1229#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1228#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1227#L34-3 assume !(main_~i~1#1 < 5); 1193#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1194#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1207#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1208#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1209#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1226#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1225#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1224#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1222#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1220#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1217#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1216#L20-3 assume !(sum_~i~0#1 < 5); 1202#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1203#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1199#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1200#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1210#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1223#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1221#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1219#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1218#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1215#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1214#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1213#L20-7 [2022-11-16 12:20:54,039 INFO L750 eck$LassoCheckResult]: Loop: 1213#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1212#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1213#L20-7 [2022-11-16 12:20:54,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:54,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2144167641, now seen corresponding path program 2 times [2022-11-16 12:20:54,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:54,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630009355] [2022-11-16 12:20:54,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:54,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:54,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:54,101 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2022-11-16 12:20:54,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:54,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923495196] [2022-11-16 12:20:54,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:54,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:54,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:54,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1039200421, now seen corresponding path program 3 times [2022-11-16 12:20:54,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:54,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927770570] [2022-11-16 12:20:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:54,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:20:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-16 12:20:54,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:20:54,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927770570] [2022-11-16 12:20:54,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927770570] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:20:54,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845286499] [2022-11-16 12:20:54,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:20:54,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:20:54,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:20:54,255 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:20:54,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-11-16 12:20:54,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-16 12:20:54,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:20:54,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:20:54,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:20:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-16 12:20:54,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:20:54,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845286499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:20:54,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:20:54,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2022-11-16 12:20:54,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882552757] [2022-11-16 12:20:54,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:20:54,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:20:54,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:20:54,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:20:54,501 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. cyclomatic complexity: 9 Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:54,610 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2022-11-16 12:20:54,610 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 55 transitions. [2022-11-16 12:20:54,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:54,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 43 transitions. [2022-11-16 12:20:54,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-16 12:20:54,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2022-11-16 12:20:54,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 43 transitions. [2022-11-16 12:20:54,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:20:54,612 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2022-11-16 12:20:54,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 43 transitions. [2022-11-16 12:20:54,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-16 12:20:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 41 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:20:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2022-11-16 12:20:54,616 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2022-11-16 12:20:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:20:54,621 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 43 transitions. [2022-11-16 12:20:54,621 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-16 12:20:54,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 43 transitions. [2022-11-16 12:20:54,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:20:54,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:20:54,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:20:54,623 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:20:54,623 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:20:54,624 INFO L748 eck$LassoCheckResult]: Stem: 1413#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1414#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1423#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1431#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1432#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1426#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1427#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1454#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1453#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1452#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1451#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1450#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1449#L34-3 assume !(main_~i~1#1 < 5); 1417#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1418#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1428#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1429#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1448#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1447#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1446#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1445#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1443#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1441#L20-3 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1439#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1437#L20-3 assume !(sum_~i~0#1 < 5); 1424#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1425#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1421#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1422#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1430#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1444#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1442#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1440#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1438#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1436#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1435#L20-8 assume !!(sum_~i~0#1 < 5);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1434#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1433#L20-8 assume !(sum_~i~0#1 < 5); 1415#L20-9 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1416#L23-1 main_#t~ret8#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 1420#L43-3 [2022-11-16 12:20:54,624 INFO L750 eck$LassoCheckResult]: Loop: 1420#L43-3 assume !!(main_~i~2#1 < 4);call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1; 1419#L43-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1420#L43-3 [2022-11-16 12:20:54,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:54,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2055775835, now seen corresponding path program 1 times [2022-11-16 12:20:54,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:54,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379422623] [2022-11-16 12:20:54,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:54,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:54,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:54,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2022-11-16 12:20:54,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:54,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853663778] [2022-11-16 12:20:54,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:54,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:20:54,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:20:54,704 INFO L85 PathProgramCache]: Analyzing trace with hash 84380519, now seen corresponding path program 1 times [2022-11-16 12:20:54,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:20:54,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951149277] [2022-11-16 12:20:54,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:20:54,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:20:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:20:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:20:54,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:21:02,781 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:21:02,782 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:21:02,782 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:21:02,782 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:21:02,782 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:21:02,782 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:02,782 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:21:02,782 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:21:02,782 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration10_Lasso [2022-11-16 12:21:02,782 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:21:02,782 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:21:02,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:02,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:13,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:13,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:13,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:13,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:13,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:21:14,509 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2022-11-16 12:21:18,036 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:21:18,036 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:21:18,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,044 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:21:18,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:18,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,070 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:21:18,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-16 12:21:18,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,092 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:21:18,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,124 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:21:18,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-16 12:21:18,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,161 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 12:21:18,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,183 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 12:21:18,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-16 12:21:18,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,207 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 12:21:18,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-16 12:21:18,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,228 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 12:21:18,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,256 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 12:21:18,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,316 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 12:21:18,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,360 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 12:21:18,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:21:18,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:21:18,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:21:18,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,413 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 12:21:18,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:18,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-16 12:21:18,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,455 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 12:21:18,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:18,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,489 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 12:21:18,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:18,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-16 12:21:18,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,517 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 12:21:18,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,535 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-11-16 12:21:18,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,587 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-16 12:21:18,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 12:21:18,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,651 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 12:21:18,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:18,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,701 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 12:21:18,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:18,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-16 12:21:18,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,727 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 12:21:18,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:18,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:21:18,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:18,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,755 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 12:21:18,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:21:18,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:21:18,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:21:18,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:21:18,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:21:18,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:21:18,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:21:18,799 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:21:18,863 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2022-11-16 12:21:18,863 INFO L444 ModelExtractionUtils]: 3 out of 28 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-11-16 12:21:18,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:21:18,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:18,866 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:18,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-16 12:21:18,869 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:21:18,882 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:21:18,882 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:21:18,882 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1, v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_3) = -4*ULTIMATE.start_main_~i~2#1 + 1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_3 Supporting invariants [] [2022-11-16 12:21:18,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:19,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:19,415 INFO L156 tatePredicateManager]: 54 out of 55 supporting invariants were superfluous and have been removed [2022-11-16 12:21:19,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:21:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:21:19,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:21:19,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:21:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:21:19,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:21:19,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:21:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:21:19,632 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 12:21:19,632 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 43 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:19,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 43 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 46 transitions. Complement of second has 5 states. [2022-11-16 12:21:19,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:21:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:21:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-16 12:21:19,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 40 letters. Loop has 2 letters. [2022-11-16 12:21:19,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:21:19,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 42 letters. Loop has 2 letters. [2022-11-16 12:21:19,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:21:19,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 40 letters. Loop has 4 letters. [2022-11-16 12:21:19,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:21:19,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 46 transitions. [2022-11-16 12:21:19,671 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:21:19,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2022-11-16 12:21:19,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:21:19,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:21:19,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:21:19,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:21:19,672 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:21:19,672 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:21:19,672 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:21:19,672 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-16 12:21:19,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:21:19,673 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:21:19,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:21:19,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:21:19 BoogieIcfgContainer [2022-11-16 12:21:19,682 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:21:19,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:21:19,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:21:19,683 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:21:19,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:46" (3/4) ... [2022-11-16 12:21:19,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:21:19,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:21:19,688 INFO L158 Benchmark]: Toolchain (without parser) took 34333.57ms. Allocated memory was 127.9MB in the beginning and 249.6MB in the end (delta: 121.6MB). Free memory was 92.3MB in the beginning and 137.7MB in the end (delta: -45.4MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2022-11-16 12:21:19,688 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:21:19,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.97ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 102.7MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:21:19,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.84ms. Allocated memory is still 127.9MB. Free memory was 102.7MB in the beginning and 100.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:21:19,689 INFO L158 Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:21:19,690 INFO L158 Benchmark]: RCFGBuilder took 449.98ms. Allocated memory is still 127.9MB. Free memory was 99.3MB in the beginning and 85.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:21:19,690 INFO L158 Benchmark]: BuchiAutomizer took 33469.01ms. Allocated memory was 127.9MB in the beginning and 249.6MB in the end (delta: 121.6MB). Free memory was 85.2MB in the beginning and 137.7MB in the end (delta: -52.5MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2022-11-16 12:21:19,690 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 249.6MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:21:19,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.97ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 102.7MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.84ms. Allocated memory is still 127.9MB. Free memory was 102.7MB in the beginning and 100.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.33ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.98ms. Allocated memory is still 127.9MB. Free memory was 99.3MB in the beginning and 85.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 33469.01ms. Allocated memory was 127.9MB in the beginning and 249.6MB in the end (delta: 121.6MB). Free memory was 85.2MB in the beginning and 137.7MB in the end (delta: -52.5MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 249.6MB. Free memory is still 137.7MB. 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 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -8 * i + 9 * unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function 9 + -2 * i and consists of 4 locations. One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[x] and consists of 4 locations. 7 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.3s and 11 iterations. TraceHistogramMax:5. Analysis of lassos took 32.0s. Construction of modules took 0.3s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 248 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 157 mSDtfsCounter, 248 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital619 mio100 ax100 hnf100 lsp208 ukn57 mio100 lsp68 div104 bol100 ite100 ukn100 eq152 hnf93 smp83 dnf784 smp69 tf100 neg99 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 129ms VariablesStem: 31 VariablesLoop: 24 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:21:19,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:19,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-11-16 12:21:20,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:20,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:20,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:21:20,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cea334-ac51-46f6-913d-3c9cf5dd9ca9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE